Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/vendor/zendframework/zend-stdlib/AbstractOptions.php

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+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Traversable;
+
+abstract class AbstractOptions implements ParameterObjectInterface
+{
+    /**
+     * We use the __ prefix to avoid collisions with properties in
+     * user-implementations.
+     *
+     * @var bool
+     */
+    protected $__strictMode__ = true;
+
+    /**
+     * Constructor
+     *
+     * @param  array|Traversable|null $options
+     */
+    public function __construct($options = null)
+    {
+        if (null !== $options) {
+            $this->setFromArray($options);
+        }
+    }
+
+    /**
+     * Set one or more configuration properties
+     *
+     * @param  array|Traversable|AbstractOptions $options
+     * @throws Exception\InvalidArgumentException
+     * @return AbstractOptions Provides fluent interface
+     */
+    public function setFromArray($options)
+    {
+        if ($options instanceof self) {
+            $options = $options->toArray();
+        }
+
+        if (!is_array($options) && !$options instanceof Traversable) {
+            throw new Exception\InvalidArgumentException(
+                sprintf(
+                    'Parameter provided to %s must be an %s, %s or %s',
+                    __METHOD__,
+                    'array',
+                    'Traversable',
+                    'Zend\Stdlib\AbstractOptions'
+                )
+            );
+        }
+
+        foreach ($options as $key => $value) {
+            $this->__set($key, $value);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Cast to array
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        $array = array();
+        $transform = function ($letters) {
+            $letter = array_shift($letters);
+            return '_' . strtolower($letter);
+        };
+        foreach ($this as $key => $value) {
+            if ($key === '__strictMode__') {
+                continue;
+            }
+            $normalizedKey = preg_replace_callback('/([A-Z])/', $transform, $key);
+            $array[$normalizedKey] = $value;
+        }
+        return $array;
+    }
+
+    /**
+     * Set a configuration property
+     *
+     * @see ParameterObject::__set()
+     * @param string $key
+     * @param mixed $value
+     * @throws Exception\BadMethodCallException
+     * @return void
+     */
+    public function __set($key, $value)
+    {
+        $setter = 'set' . str_replace('_', '', $key);
+
+        if (is_callable(array($this, $setter))) {
+            $this->{$setter}($value);
+
+            return;
+        }
+
+        if ($this->__strictMode__) {
+            throw new Exception\BadMethodCallException(sprintf(
+                'The option "%s" does not have a callable "%s" ("%s") setter method which must be defined',
+                $key,
+                'set' . str_replace(' ', '', ucwords(str_replace('_', ' ', $key))),
+                $setter
+            ));
+        }
+    }
+
+    /**
+     * Get a configuration property
+     *
+     * @see ParameterObject::__get()
+     * @param string $key
+     * @throws Exception\BadMethodCallException
+     * @return mixed
+     */
+    public function __get($key)
+    {
+        $getter = 'get' . str_replace('_', '', $key);
+
+        if (is_callable(array($this, $getter))) {
+            return $this->{$getter}();
+        }
+
+        throw new Exception\BadMethodCallException(sprintf(
+            'The option "%s" does not have a callable "%s" getter method which must be defined',
+            $key,
+            'get' . str_replace(' ', '', ucwords(str_replace('_', ' ', $key)))
+        ));
+    }
+
+    /**
+     * Test if a configuration property is null
+     * @see ParameterObject::__isset()
+     * @param string $key
+     * @return bool
+     */
+    public function __isset($key)
+    {
+        $getter = 'get' . str_replace('_', '', $key);
+
+        return method_exists($this, $getter) && null !== $this->__get($key);
+    }
+
+    /**
+     * Set a configuration property to NULL
+     *
+     * @see ParameterObject::__unset()
+     * @param string $key
+     * @throws Exception\InvalidArgumentException
+     * @return void
+     */
+    public function __unset($key)
+    {
+        try {
+            $this->__set($key, null);
+        } catch (Exception\BadMethodCallException $e) {
+            throw new Exception\InvalidArgumentException(
+                'The class property $' . $key . ' cannot be unset as'
+                . ' NULL is an invalid value for it',
+                0,
+                $e
+            );
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/ArrayObject.php

@@ -0,0 +1,432 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use ArrayAccess;
+use Countable;
+use IteratorAggregate;
+use Serializable;
+
+/**
+ * Custom framework ArrayObject implementation
+ *
+ * Extends version-specific "abstract" implementation.
+ */
+class ArrayObject implements IteratorAggregate, ArrayAccess, Serializable, Countable
+{
+    /**
+     * Properties of the object have their normal functionality
+     * when accessed as list (var_dump, foreach, etc.).
+     */
+    const STD_PROP_LIST = 1;
+
+    /**
+     * Entries can be accessed as properties (read and write).
+     */
+    const ARRAY_AS_PROPS = 2;
+
+    /**
+     * @var array
+     */
+    protected $storage;
+
+    /**
+     * @var int
+     */
+    protected $flag;
+
+    /**
+     * @var string
+     */
+    protected $iteratorClass;
+
+    /**
+     * @var array
+     */
+    protected $protectedProperties;
+
+    /**
+     * Constructor
+     *
+     * @param array  $input
+     * @param int    $flags
+     * @param string $iteratorClass
+     */
+    public function __construct($input = array(), $flags = self::STD_PROP_LIST, $iteratorClass = 'ArrayIterator')
+    {
+        $this->setFlags($flags);
+        $this->storage = $input;
+        $this->setIteratorClass($iteratorClass);
+        $this->protectedProperties = array_keys(get_object_vars($this));
+    }
+
+    /**
+     * Returns whether the requested key exists
+     *
+     * @param  mixed $key
+     * @return bool
+     */
+    public function __isset($key)
+    {
+        if ($this->flag == self::ARRAY_AS_PROPS) {
+            return $this->offsetExists($key);
+        }
+        if (in_array($key, $this->protectedProperties)) {
+            throw new Exception\InvalidArgumentException('$key is a protected property, use a different key');
+        }
+
+        return isset($this->$key);
+    }
+
+    /**
+     * Sets the value at the specified key to value
+     *
+     * @param  mixed $key
+     * @param  mixed $value
+     * @return void
+     */
+    public function __set($key, $value)
+    {
+        if ($this->flag == self::ARRAY_AS_PROPS) {
+            return $this->offsetSet($key, $value);
+        }
+        if (in_array($key, $this->protectedProperties)) {
+            throw new Exception\InvalidArgumentException('$key is a protected property, use a different key');
+        }
+        $this->$key = $value;
+    }
+
+    /**
+     * Unsets the value at the specified key
+     *
+     * @param  mixed $key
+     * @return void
+     */
+    public function __unset($key)
+    {
+        if ($this->flag == self::ARRAY_AS_PROPS) {
+            return $this->offsetUnset($key);
+        }
+        if (in_array($key, $this->protectedProperties)) {
+            throw new Exception\InvalidArgumentException('$key is a protected property, use a different key');
+        }
+        unset($this->$key);
+    }
+
+    /**
+     * Returns the value at the specified key by reference
+     *
+     * @param  mixed $key
+     * @return mixed
+     */
+    public function &__get($key)
+    {
+        $ret = null;
+        if ($this->flag == self::ARRAY_AS_PROPS) {
+            $ret =& $this->offsetGet($key);
+
+            return $ret;
+        }
+        if (in_array($key, $this->protectedProperties)) {
+            throw new Exception\InvalidArgumentException('$key is a protected property, use a different key');
+        }
+
+        return $this->$key;
+    }
+
+    /**
+     * Appends the value
+     *
+     * @param  mixed $value
+     * @return void
+     */
+    public function append($value)
+    {
+        $this->storage[] = $value;
+    }
+
+    /**
+     * Sort the entries by value
+     *
+     * @return void
+     */
+    public function asort()
+    {
+        asort($this->storage);
+    }
+
+    /**
+     * Get the number of public properties in the ArrayObject
+     *
+     * @return int
+     */
+    public function count()
+    {
+        return count($this->storage);
+    }
+
+    /**
+     * Exchange the array for another one.
+     *
+     * @param  array|ArrayObject $data
+     * @return array
+     */
+    public function exchangeArray($data)
+    {
+        if (!is_array($data) && !is_object($data)) {
+            throw new Exception\InvalidArgumentException('Passed variable is not an array or object, using empty array instead');
+        }
+
+        if (is_object($data) && ($data instanceof self || $data instanceof \ArrayObject)) {
+            $data = $data->getArrayCopy();
+        }
+        if (!is_array($data)) {
+            $data = (array) $data;
+        }
+
+        $storage = $this->storage;
+
+        $this->storage = $data;
+
+        return $storage;
+    }
+
+    /**
+     * Creates a copy of the ArrayObject.
+     *
+     * @return array
+     */
+    public function getArrayCopy()
+    {
+        return $this->storage;
+    }
+
+    /**
+     * Gets the behavior flags.
+     *
+     * @return int
+     */
+    public function getFlags()
+    {
+        return $this->flag;
+    }
+
+    /**
+     * Create a new iterator from an ArrayObject instance
+     *
+     * @return \Iterator
+     */
+    public function getIterator()
+    {
+        $class = $this->iteratorClass;
+
+        return new $class($this->storage);
+    }
+
+    /**
+     * Gets the iterator classname for the ArrayObject.
+     *
+     * @return string
+     */
+    public function getIteratorClass()
+    {
+        return $this->iteratorClass;
+    }
+
+    /**
+     * Sort the entries by key
+     *
+     * @return void
+     */
+    public function ksort()
+    {
+        ksort($this->storage);
+    }
+
+    /**
+     * Sort an array using a case insensitive "natural order" algorithm
+     *
+     * @return void
+     */
+    public function natcasesort()
+    {
+        natcasesort($this->storage);
+    }
+
+    /**
+     * Sort entries using a "natural order" algorithm
+     *
+     * @return void
+     */
+    public function natsort()
+    {
+        natsort($this->storage);
+    }
+
+    /**
+     * Returns whether the requested key exists
+     *
+     * @param  mixed $key
+     * @return bool
+     */
+    public function offsetExists($key)
+    {
+        return isset($this->storage[$key]);
+    }
+
+    /**
+     * Returns the value at the specified key
+     *
+     * @param  mixed $key
+     * @return mixed
+     */
+    public function &offsetGet($key)
+    {
+        $ret = null;
+        if (!$this->offsetExists($key)) {
+            return $ret;
+        }
+        $ret =& $this->storage[$key];
+
+        return $ret;
+    }
+
+    /**
+     * Sets the value at the specified key to value
+     *
+     * @param  mixed $key
+     * @param  mixed $value
+     * @return void
+     */
+    public function offsetSet($key, $value)
+    {
+        $this->storage[$key] = $value;
+    }
+
+    /**
+     * Unsets the value at the specified key
+     *
+     * @param  mixed $key
+     * @return void
+     */
+    public function offsetUnset($key)
+    {
+        if ($this->offsetExists($key)) {
+            unset($this->storage[$key]);
+        }
+    }
+
+    /**
+     * Serialize an ArrayObject
+     *
+     * @return string
+     */
+    public function serialize()
+    {
+        return serialize(get_object_vars($this));
+    }
+
+    /**
+     * Sets the behavior flags
+     *
+     * @param  int  $flags
+     * @return void
+     */
+    public function setFlags($flags)
+    {
+        $this->flag = $flags;
+    }
+
+    /**
+     * Sets the iterator classname for the ArrayObject
+     *
+     * @param  string $class
+     * @return void
+     */
+    public function setIteratorClass($class)
+    {
+        if (class_exists($class)) {
+            $this->iteratorClass = $class;
+
+            return ;
+        }
+
+        if (strpos($class, '\\') === 0) {
+            $class = '\\' . $class;
+            if (class_exists($class)) {
+                $this->iteratorClass = $class;
+
+                return ;
+            }
+        }
+
+        throw new Exception\InvalidArgumentException('The iterator class does not exist');
+    }
+
+    /**
+     * Sort the entries with a user-defined comparison function and maintain key association
+     *
+     * @param  callable $function
+     * @return void
+     */
+    public function uasort($function)
+    {
+        if (is_callable($function)) {
+            uasort($this->storage, $function);
+        }
+    }
+
+    /**
+     * Sort the entries by keys using a user-defined comparison function
+     *
+     * @param  callable $function
+     * @return void
+     */
+    public function uksort($function)
+    {
+        if (is_callable($function)) {
+            uksort($this->storage, $function);
+        }
+    }
+
+    /**
+     * Unserialize an ArrayObject
+     *
+     * @param  string $data
+     * @return void
+     */
+    public function unserialize($data)
+    {
+        $ar                        = unserialize($data);
+        $this->protectedProperties = array_keys(get_object_vars($this));
+
+        $this->setFlags($ar['flag']);
+        $this->exchangeArray($ar['storage']);
+        $this->setIteratorClass($ar['iteratorClass']);
+
+        foreach ($ar as $k => $v) {
+            switch ($k) {
+                case 'flag':
+                    $this->setFlags($v);
+                    break;
+                case 'storage':
+                    $this->exchangeArray($v);
+                    break;
+                case 'iteratorClass':
+                    $this->setIteratorClass($v);
+                    break;
+                case 'protectedProperties':
+                    continue;
+                default:
+                    $this->__set($k, $v);
+            }
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/ArraySerializableInterface.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+interface ArraySerializableInterface
+{
+    /**
+     * Exchange internal values from provided array
+     *
+     * @param  array $array
+     * @return void
+     */
+    public function exchangeArray(array $array);
+
+    /**
+     * Return an array representation of the object
+     *
+     * @return array
+     */
+    public function getArrayCopy();
+}

core/vendor/zendframework/zend-stdlib/ArrayStack.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use ArrayIterator;
+use ArrayObject as PhpArrayObject;
+
+/**
+ * ArrayObject that acts as a stack with regards to iteration
+ */
+class ArrayStack extends PhpArrayObject
+{
+    /**
+     * Retrieve iterator
+     *
+     * Retrieve an array copy of the object, reverse its order, and return an
+     * ArrayIterator with that reversed array.
+     *
+     * @return ArrayIterator
+     */
+    public function getIterator()
+    {
+        $array = $this->getArrayCopy();
+        return new ArrayIterator(array_reverse($array));
+    }
+}

core/vendor/zendframework/zend-stdlib/ArrayUtils.php

@@ -0,0 +1,335 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Traversable;
+use Zend\Stdlib\ArrayUtils\MergeRemoveKey;
+use Zend\Stdlib\ArrayUtils\MergeReplaceKeyInterface;
+
+/**
+ * Utility class for testing and manipulation of PHP arrays.
+ *
+ * Declared abstract, as we have no need for instantiation.
+ */
+abstract class ArrayUtils
+{
+    /**
+     * Compatibility Flag for ArrayUtils::filter
+     */
+    const ARRAY_FILTER_USE_BOTH = 1;
+
+    /**
+     * Compatibility Flag for ArrayUtils::filter
+     */
+    const ARRAY_FILTER_USE_KEY  = 2;
+
+    /**
+     * Test whether an array contains one or more string keys
+     *
+     * @param  mixed $value
+     * @param  bool  $allowEmpty    Should an empty array() return true
+     * @return bool
+     */
+    public static function hasStringKeys($value, $allowEmpty = false)
+    {
+        if (!is_array($value)) {
+            return false;
+        }
+
+        if (!$value) {
+            return $allowEmpty;
+        }
+
+        return count(array_filter(array_keys($value), 'is_string')) > 0;
+    }
+
+    /**
+     * Test whether an array contains one or more integer keys
+     *
+     * @param  mixed $value
+     * @param  bool  $allowEmpty    Should an empty array() return true
+     * @return bool
+     */
+    public static function hasIntegerKeys($value, $allowEmpty = false)
+    {
+        if (!is_array($value)) {
+            return false;
+        }
+
+        if (!$value) {
+            return $allowEmpty;
+        }
+
+        return count(array_filter(array_keys($value), 'is_int')) > 0;
+    }
+
+    /**
+     * Test whether an array contains one or more numeric keys.
+     *
+     * A numeric key can be one of the following:
+     * - an integer 1,
+     * - a string with a number '20'
+     * - a string with negative number: '-1000'
+     * - a float: 2.2120, -78.150999
+     * - a string with float:  '4000.99999', '-10.10'
+     *
+     * @param  mixed $value
+     * @param  bool  $allowEmpty    Should an empty array() return true
+     * @return bool
+     */
+    public static function hasNumericKeys($value, $allowEmpty = false)
+    {
+        if (!is_array($value)) {
+            return false;
+        }
+
+        if (!$value) {
+            return $allowEmpty;
+        }
+
+        return count(array_filter(array_keys($value), 'is_numeric')) > 0;
+    }
+
+    /**
+     * Test whether an array is a list
+     *
+     * A list is a collection of values assigned to continuous integer keys
+     * starting at 0 and ending at count() - 1.
+     *
+     * For example:
+     * <code>
+     * $list = array('a', 'b', 'c', 'd');
+     * $list = array(
+     *     0 => 'foo',
+     *     1 => 'bar',
+     *     2 => array('foo' => 'baz'),
+     * );
+     * </code>
+     *
+     * @param  mixed $value
+     * @param  bool  $allowEmpty    Is an empty list a valid list?
+     * @return bool
+     */
+    public static function isList($value, $allowEmpty = false)
+    {
+        if (!is_array($value)) {
+            return false;
+        }
+
+        if (!$value) {
+            return $allowEmpty;
+        }
+
+        return (array_values($value) === $value);
+    }
+
+    /**
+     * Test whether an array is a hash table.
+     *
+     * An array is a hash table if:
+     *
+     * 1. Contains one or more non-integer keys, or
+     * 2. Integer keys are non-continuous or misaligned (not starting with 0)
+     *
+     * For example:
+     * <code>
+     * $hash = array(
+     *     'foo' => 15,
+     *     'bar' => false,
+     * );
+     * $hash = array(
+     *     1995  => 'Birth of PHP',
+     *     2009  => 'PHP 5.3.0',
+     *     2012  => 'PHP 5.4.0',
+     * );
+     * $hash = array(
+     *     'formElement,
+     *     'options' => array( 'debug' => true ),
+     * );
+     * </code>
+     *
+     * @param  mixed $value
+     * @param  bool  $allowEmpty    Is an empty array() a valid hash table?
+     * @return bool
+     */
+    public static function isHashTable($value, $allowEmpty = false)
+    {
+        if (!is_array($value)) {
+            return false;
+        }
+
+        if (!$value) {
+            return $allowEmpty;
+        }
+
+        return (array_values($value) !== $value);
+    }
+
+    /**
+     * Checks if a value exists in an array.
+     *
+     * Due to "foo" == 0 === TRUE with in_array when strict = false, an option
+     * has been added to prevent this. When $strict = 0/false, the most secure
+     * non-strict check is implemented. if $strict = -1, the default in_array
+     * non-strict behaviour is used.
+     *
+     * @param mixed $needle
+     * @param array $haystack
+     * @param int|bool $strict
+     * @return bool
+     */
+    public static function inArray($needle, array $haystack, $strict = false)
+    {
+        if (!$strict) {
+            if (is_int($needle) || is_float($needle)) {
+                $needle = (string) $needle;
+            }
+            if (is_string($needle)) {
+                foreach ($haystack as &$h) {
+                    if (is_int($h) || is_float($h)) {
+                        $h = (string) $h;
+                    }
+                }
+            }
+        }
+        return in_array($needle, $haystack, $strict);
+    }
+
+    /**
+     * Convert an iterator to an array.
+     *
+     * Converts an iterator to an array. The $recursive flag, on by default,
+     * hints whether or not you want to do so recursively.
+     *
+     * @param  array|Traversable  $iterator     The array or Traversable object to convert
+     * @param  bool               $recursive    Recursively check all nested structures
+     * @throws Exception\InvalidArgumentException if $iterator is not an array or a Traversable object
+     * @return array
+     */
+    public static function iteratorToArray($iterator, $recursive = true)
+    {
+        if (!is_array($iterator) && !$iterator instanceof Traversable) {
+            throw new Exception\InvalidArgumentException(__METHOD__ . ' expects an array or Traversable object');
+        }
+
+        if (!$recursive) {
+            if (is_array($iterator)) {
+                return $iterator;
+            }
+
+            return iterator_to_array($iterator);
+        }
+
+        if (method_exists($iterator, 'toArray')) {
+            return $iterator->toArray();
+        }
+
+        $array = array();
+        foreach ($iterator as $key => $value) {
+            if (is_scalar($value)) {
+                $array[$key] = $value;
+                continue;
+            }
+
+            if ($value instanceof Traversable) {
+                $array[$key] = static::iteratorToArray($value, $recursive);
+                continue;
+            }
+
+            if (is_array($value)) {
+                $array[$key] = static::iteratorToArray($value, $recursive);
+                continue;
+            }
+
+            $array[$key] = $value;
+        }
+
+        return $array;
+    }
+
+    /**
+     * Merge two arrays together.
+     *
+     * If an integer key exists in both arrays and preserveNumericKeys is false, the value
+     * from the second array will be appended to the first array. If both values are arrays, they
+     * are merged together, else the value of the second array overwrites the one of the first array.
+     *
+     * @param  array $a
+     * @param  array $b
+     * @param  bool  $preserveNumericKeys
+     * @return array
+     */
+    public static function merge(array $a, array $b, $preserveNumericKeys = false)
+    {
+        foreach ($b as $key => $value) {
+            if ($value instanceof MergeReplaceKeyInterface) {
+                $a[$key] = $value->getData();
+            } elseif (isset($a[$key]) || array_key_exists($key, $a)) {
+                if ($value instanceof MergeRemoveKey) {
+                    unset($a[$key]);
+                } elseif (!$preserveNumericKeys && is_int($key)) {
+                    $a[] = $value;
+                } elseif (is_array($value) && is_array($a[$key])) {
+                    $a[$key] = static::merge($a[$key], $value, $preserveNumericKeys);
+                } else {
+                    $a[$key] = $value;
+                }
+            } else {
+                if (!$value instanceof MergeRemoveKey) {
+                    $a[$key] = $value;
+                }
+            }
+        }
+
+        return $a;
+    }
+
+    /**
+     * Compatibility Method for array_filter on <5.6 systems
+     *
+     * @param array $data
+     * @param callable $callback
+     * @param null|int $flag
+     * @return array
+     */
+    public static function filter(array $data, $callback, $flag = null)
+    {
+        if (! is_callable($callback)) {
+            throw new Exception\InvalidArgumentException(sprintf(
+                'Second parameter of %s must be callable',
+                __METHOD__
+            ));
+        }
+
+        if (version_compare(PHP_VERSION, '5.6.0') >= 0) {
+            return array_filter($data, $callback, $flag);
+        }
+
+        $output = array();
+        foreach ($data as $key => $value) {
+            $params = array($value);
+
+            if ($flag === static::ARRAY_FILTER_USE_BOTH) {
+                $params[] = $key;
+            }
+
+            if ($flag === static::ARRAY_FILTER_USE_KEY) {
+                $params = array($key);
+            }
+
+            $response = call_user_func_array($callback, $params);
+            if ($response) {
+                $output[$key] = $value;
+            }
+        }
+
+        return $output;
+    }
+}

core/vendor/zendframework/zend-stdlib/ArrayUtils/MergeRemoveKey.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\ArrayUtils;
+
+final class MergeRemoveKey
+{
+}

core/vendor/zendframework/zend-stdlib/ArrayUtils/MergeReplaceKey.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\ArrayUtils;
+
+final class MergeReplaceKey implements MergeReplaceKeyInterface
+{
+    /**
+     * @var mixed
+     */
+    protected $data;
+
+    /**
+     * @param mixed $data
+     */
+    public function __construct($data)
+    {
+        $this->data = $data;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getData()
+    {
+        return $this->data;
+    }
+}

core/vendor/zendframework/zend-stdlib/ArrayUtils/MergeReplaceKeyInterface.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\ArrayUtils;
+
+/**
+ * Marker interface: can be used to replace keys completely in {@see ArrayUtils::merge()} operations
+ */
+interface MergeReplaceKeyInterface
+{
+    /**
+     * @return mixed
+     */
+    public function getData();
+}

core/vendor/zendframework/zend-stdlib/CONTRIBUTING.md

@@ -0,0 +1,3 @@
+# CONTRIBUTING
+
+Please don't open pull requests against this repository, please use https://github.com/zendframework/zf2.

core/vendor/zendframework/zend-stdlib/CallbackHandler.php

@@ -0,0 +1,217 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use ReflectionClass;
+
+/**
+ * CallbackHandler
+ *
+ * A handler for an event, event, filterchain, etc. Abstracts PHP callbacks,
+ * primarily to allow for lazy-loading and ensuring availability of default
+ * arguments (currying).
+ */
+class CallbackHandler
+{
+    /**
+     * @var string|array|callable PHP callback to invoke
+     */
+    protected $callback;
+
+    /**
+     * Callback metadata, if any
+     * @var array
+     */
+    protected $metadata;
+
+    /**
+     * PHP version is greater as 5.4rc1?
+     * @var bool
+     */
+    protected static $isPhp54;
+
+    /**
+     * Constructor
+     *
+     * @param  string|array|object|callable $callback PHP callback
+     * @param  array                        $metadata  Callback metadata
+     */
+    public function __construct($callback, array $metadata = array())
+    {
+        $this->metadata  = $metadata;
+        $this->registerCallback($callback);
+    }
+
+    /**
+     * Registers the callback provided in the constructor
+     *
+     * @param  callable $callback
+     * @throws Exception\InvalidCallbackException
+     * @return void
+     */
+    protected function registerCallback($callback)
+    {
+        if (!is_callable($callback)) {
+            throw new Exception\InvalidCallbackException('Invalid callback provided; not callable');
+        }
+
+        $this->callback = $callback;
+    }
+
+    /**
+     * Retrieve registered callback
+     *
+     * @return callable
+     */
+    public function getCallback()
+    {
+        return $this->callback;
+    }
+
+    /**
+     * Invoke handler
+     *
+     * @param  array $args Arguments to pass to callback
+     * @return mixed
+     */
+    public function call(array $args = array())
+    {
+        $callback = $this->getCallback();
+
+        // Minor performance tweak, if the callback gets called more than once
+        if (!isset(static::$isPhp54)) {
+            static::$isPhp54 = version_compare(PHP_VERSION, '5.4.0rc1', '>=');
+        }
+
+        $argCount = count($args);
+
+        if (static::$isPhp54 && is_string($callback)) {
+            $result = $this->validateStringCallbackFor54($callback);
+
+            if ($result !== true && $argCount <= 3) {
+                $callback       = $result;
+                // Minor performance tweak, if the callback gets called more
+                // than once
+                $this->callback = $result;
+            }
+        }
+
+        // Minor performance tweak; use call_user_func() until > 3 arguments
+        // reached
+        switch ($argCount) {
+            case 0:
+                if (static::$isPhp54) {
+                    return $callback();
+                }
+                return call_user_func($callback);
+            case 1:
+                if (static::$isPhp54) {
+                    return $callback(array_shift($args));
+                }
+                return call_user_func($callback, array_shift($args));
+            case 2:
+                $arg1 = array_shift($args);
+                $arg2 = array_shift($args);
+                if (static::$isPhp54) {
+                    return $callback($arg1, $arg2);
+                }
+                return call_user_func($callback, $arg1, $arg2);
+            case 3:
+                $arg1 = array_shift($args);
+                $arg2 = array_shift($args);
+                $arg3 = array_shift($args);
+                if (static::$isPhp54) {
+                    return $callback($arg1, $arg2, $arg3);
+                }
+                return call_user_func($callback, $arg1, $arg2, $arg3);
+            default:
+                return call_user_func_array($callback, $args);
+        }
+    }
+
+    /**
+     * Invoke as functor
+     *
+     * @return mixed
+     */
+    public function __invoke()
+    {
+        return $this->call(func_get_args());
+    }
+
+    /**
+     * Get all callback metadata
+     *
+     * @return array
+     */
+    public function getMetadata()
+    {
+        return $this->metadata;
+    }
+
+    /**
+     * Retrieve a single metadatum
+     *
+     * @param  string $name
+     * @return mixed
+     */
+    public function getMetadatum($name)
+    {
+        if (array_key_exists($name, $this->metadata)) {
+            return $this->metadata[$name];
+        }
+        return;
+    }
+
+    /**
+     * Validate a static method call
+     *
+     * Validates that a static method call in PHP 5.4 will actually work
+     *
+     * @param  string $callback
+     * @return true|array
+     * @throws Exception\InvalidCallbackException if invalid
+     */
+    protected function validateStringCallbackFor54($callback)
+    {
+        if (!strstr($callback, '::')) {
+            return true;
+        }
+
+        list($class, $method) = explode('::', $callback, 2);
+
+        if (!class_exists($class)) {
+            throw new Exception\InvalidCallbackException(sprintf(
+                'Static method call "%s" refers to a class that does not exist',
+                $callback
+            ));
+        }
+
+        $r = new ReflectionClass($class);
+        if (!$r->hasMethod($method)) {
+            throw new Exception\InvalidCallbackException(sprintf(
+                'Static method call "%s" refers to a method that does not exist',
+                $callback
+            ));
+        }
+        $m = $r->getMethod($method);
+        if (!$m->isStatic()) {
+            throw new Exception\InvalidCallbackException(sprintf(
+                'Static method call "%s" refers to a method that is not static',
+                $callback
+            ));
+        }
+
+        // returning a non boolean value may not be nice for a validate method,
+        // but that allows the usage of a static string callback without using
+        // the call_user_func function.
+        return array($class, $method);
+    }
+}

core/vendor/zendframework/zend-stdlib/DateTime.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use DateTimeZone;
+
+trigger_error('DateTime extension deprecated as of ZF 2.1.4; use the \DateTime constructor to parse extended ISO8601 dates instead', E_USER_DEPRECATED);
+
+/**
+ * DateTime
+ *
+ * An extension of the \DateTime object.
+ *
+ * @deprecated
+ */
+class DateTime extends \DateTime
+{
+    /**
+     * The DateTime::ISO8601 constant used by php's native DateTime object does
+     * not allow for fractions of a second. This function better handles ISO8601
+     * formatted date strings.
+     *
+     * @param  string       $time
+     * @param  DateTimeZone $timezone
+     * @return mixed
+     */
+    public static function createFromISO8601($time, DateTimeZone $timezone = null)
+    {
+        $format = self::ISO8601;
+        if (isset($time[19]) && $time[19] === '.') {
+            $format = 'Y-m-d\TH:i:s.uO';
+        }
+
+        if ($timezone !== null) {
+            return self::createFromFormat($format, $time, $timezone);
+        }
+
+        return self::createFromFormat($format, $time);
+    }
+}

core/vendor/zendframework/zend-stdlib/DispatchableInterface.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+interface DispatchableInterface
+{
+    /**
+     * Dispatch a request
+     *
+     * @param RequestInterface $request
+     * @param null|ResponseInterface $response
+     * @return Response|mixed
+     */
+    public function dispatch(RequestInterface $request, ResponseInterface $response = null);
+}

core/vendor/zendframework/zend-stdlib/ErrorHandler.php

@@ -0,0 +1,115 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use ErrorException;
+
+/**
+ * ErrorHandler that can be used to catch internal PHP errors
+ * and convert to an ErrorException instance.
+ */
+abstract class ErrorHandler
+{
+    /**
+     * Active stack
+     *
+     * @var array
+     */
+    protected static $stack = array();
+
+    /**
+     * Check if this error handler is active
+     *
+     * @return bool
+     */
+    public static function started()
+    {
+        return (bool) static::getNestedLevel();
+    }
+
+    /**
+     * Get the current nested level
+     *
+     * @return int
+     */
+    public static function getNestedLevel()
+    {
+        return count(static::$stack);
+    }
+
+    /**
+     * Starting the error handler
+     *
+     * @param int $errorLevel
+     */
+    public static function start($errorLevel = \E_WARNING)
+    {
+        if (!static::$stack) {
+            set_error_handler(array(get_called_class(), 'addError'), $errorLevel);
+        }
+
+        static::$stack[] = null;
+    }
+
+    /**
+     * Stopping the error handler
+     *
+     * @param  bool $throw Throw the ErrorException if any
+     * @return null|ErrorException
+     * @throws ErrorException If an error has been catched and $throw is true
+     */
+    public static function stop($throw = false)
+    {
+        $errorException = null;
+
+        if (static::$stack) {
+            $errorException = array_pop(static::$stack);
+
+            if (!static::$stack) {
+                restore_error_handler();
+            }
+
+            if ($errorException && $throw) {
+                throw $errorException;
+            }
+        }
+
+        return $errorException;
+    }
+
+    /**
+     * Stop all active handler
+     *
+     * @return void
+     */
+    public static function clean()
+    {
+        if (static::$stack) {
+            restore_error_handler();
+        }
+
+        static::$stack = array();
+    }
+
+    /**
+     * Add an error to the stack
+     *
+     * @param int    $errno
+     * @param string $errstr
+     * @param string $errfile
+     * @param int    $errline
+     * @return void
+     */
+    public static function addError($errno, $errstr = '', $errfile = '', $errline = 0)
+    {
+        $stack = & static::$stack[count(static::$stack) - 1];
+        $stack = new ErrorException($errstr, 0, $errno, $errfile, $errline, $stack);
+    }
+}

core/vendor/zendframework/zend-stdlib/Exception/BadMethodCallException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Exception;
+
+/**
+ * Bad method call exception
+ */
+class BadMethodCallException extends \BadMethodCallException implements ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Exception/DomainException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Exception;
+
+/**
+ * Domain exception
+ */
+class DomainException extends \DomainException implements ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Exception/ExceptionInterface.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Exception;
+
+/**
+ * Exception marker interface
+ */
+interface ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Exception/ExtensionNotLoadedException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Exception;
+
+/**
+ * Extension not loaded exception
+ */
+class ExtensionNotLoadedException extends RuntimeException
+{
+}

core/vendor/zendframework/zend-stdlib/Exception/InvalidArgumentException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Exception;
+
+/**
+ * Invalid Argument Exception
+ */
+class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Exception/InvalidCallbackException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Exception;
+
+/**
+ * Invalid callback exception
+ */
+class InvalidCallbackException extends DomainException implements ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Exception/LogicException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Exception;
+
+/**
+ * Logic exception
+ */
+class LogicException extends \LogicException implements ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Exception/RuntimeException.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Exception;
+
+/**
+ * Runtime exception
+ */
+class RuntimeException extends \RuntimeException implements ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Extractor/ExtractionInterface.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Extractor;
+
+interface ExtractionInterface
+{
+    /**
+     * Extract values from an object
+     *
+     * @param  object $object
+     * @return array
+     */
+    public function extract($object);
+}

core/vendor/zendframework/zend-stdlib/Glob.php

@@ -0,0 +1,202 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+/**
+ * Wrapper for glob with fallback if GLOB_BRACE is not available.
+ */
+abstract class Glob
+{
+    /**#@+
+     * Glob constants.
+     */
+    const GLOB_MARK     = 0x01;
+    const GLOB_NOSORT   = 0x02;
+    const GLOB_NOCHECK  = 0x04;
+    const GLOB_NOESCAPE = 0x08;
+    const GLOB_BRACE    = 0x10;
+    const GLOB_ONLYDIR  = 0x20;
+    const GLOB_ERR      = 0x40;
+    /**#@-*/
+
+    /**
+     * Find pathnames matching a pattern.
+     *
+     * @see    http://docs.php.net/glob
+     * @param  string  $pattern
+     * @param  int $flags
+     * @param  bool $forceFallback
+     * @return array
+     * @throws Exception\RuntimeException
+     */
+    public static function glob($pattern, $flags = 0, $forceFallback = false)
+    {
+        if (!defined('GLOB_BRACE') || $forceFallback) {
+            return static::fallbackGlob($pattern, $flags);
+        }
+
+        return static::systemGlob($pattern, $flags);
+    }
+
+    /**
+     * Use the glob function provided by the system.
+     *
+     * @param  string  $pattern
+     * @param  int     $flags
+     * @return array
+     * @throws Exception\RuntimeException
+     */
+    protected static function systemGlob($pattern, $flags)
+    {
+        if ($flags) {
+            $flagMap = array(
+                self::GLOB_MARK     => GLOB_MARK,
+                self::GLOB_NOSORT   => GLOB_NOSORT,
+                self::GLOB_NOCHECK  => GLOB_NOCHECK,
+                self::GLOB_NOESCAPE => GLOB_NOESCAPE,
+                self::GLOB_BRACE    => GLOB_BRACE,
+                self::GLOB_ONLYDIR  => GLOB_ONLYDIR,
+                self::GLOB_ERR      => GLOB_ERR,
+            );
+
+            $globFlags = 0;
+
+            foreach ($flagMap as $internalFlag => $globFlag) {
+                if ($flags & $internalFlag) {
+                    $globFlags |= $globFlag;
+                }
+            }
+        } else {
+            $globFlags = 0;
+        }
+
+        ErrorHandler::start();
+        $res = glob($pattern, $globFlags);
+        $err = ErrorHandler::stop();
+        if ($res === false) {
+            throw new Exception\RuntimeException("glob('{$pattern}', {$globFlags}) failed", 0, $err);
+        }
+        return $res;
+    }
+
+    /**
+     * Expand braces manually, then use the system glob.
+     *
+     * @param  string  $pattern
+     * @param  int     $flags
+     * @return array
+     * @throws Exception\RuntimeException
+     */
+    protected static function fallbackGlob($pattern, $flags)
+    {
+        if (!$flags & self::GLOB_BRACE) {
+            return static::systemGlob($pattern, $flags);
+        }
+
+        $flags &= ~self::GLOB_BRACE;
+        $length = strlen($pattern);
+        $paths  = array();
+
+        if ($flags & self::GLOB_NOESCAPE) {
+            $begin = strpos($pattern, '{');
+        } else {
+            $begin = 0;
+
+            while (true) {
+                if ($begin === $length) {
+                    $begin = false;
+                    break;
+                } elseif ($pattern[$begin] === '\\' && ($begin + 1) < $length) {
+                    $begin++;
+                } elseif ($pattern[$begin] === '{') {
+                    break;
+                }
+
+                $begin++;
+            }
+        }
+
+        if ($begin === false) {
+            return static::systemGlob($pattern, $flags);
+        }
+
+        $next = static::nextBraceSub($pattern, $begin + 1, $flags);
+
+        if ($next === null) {
+            return static::systemGlob($pattern, $flags);
+        }
+
+        $rest = $next;
+
+        while ($pattern[$rest] !== '}') {
+            $rest = static::nextBraceSub($pattern, $rest + 1, $flags);
+
+            if ($rest === null) {
+                return static::systemGlob($pattern, $flags);
+            }
+        }
+
+        $p = $begin + 1;
+
+        while (true) {
+            $subPattern = substr($pattern, 0, $begin)
+                        . substr($pattern, $p, $next - $p)
+                        . substr($pattern, $rest + 1);
+
+            $result = static::fallbackGlob($subPattern, $flags | self::GLOB_BRACE);
+
+            if ($result) {
+                $paths = array_merge($paths, $result);
+            }
+
+            if ($pattern[$next] === '}') {
+                break;
+            }
+
+            $p    = $next + 1;
+            $next = static::nextBraceSub($pattern, $p, $flags);
+        }
+
+        return array_unique($paths);
+    }
+
+    /**
+     * Find the end of the sub-pattern in a brace expression.
+     *
+     * @param  string  $pattern
+     * @param  int $begin
+     * @param  int $flags
+     * @return int|null
+     */
+    protected static function nextBraceSub($pattern, $begin, $flags)
+    {
+        $length  = strlen($pattern);
+        $depth   = 0;
+        $current = $begin;
+
+        while ($current < $length) {
+            if (!$flags & self::GLOB_NOESCAPE && $pattern[$current] === '\\') {
+                if (++$current === $length) {
+                    break;
+                }
+
+                $current++;
+            } else {
+                if (($pattern[$current] === '}' && $depth-- === 0) || ($pattern[$current] === ',' && $depth === 0)) {
+                    break;
+                } elseif ($pattern[$current++] === '{') {
+                    $depth++;
+                }
+            }
+        }
+
+        return ($current < $length ? $current : null);
+    }
+}

core/vendor/zendframework/zend-stdlib/Guard/AllGuardsTrait.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Guard;
+
+/**
+ * An aggregate for all guard traits
+ */
+trait AllGuardsTrait
+{
+    use ArrayOrTraversableGuardTrait;
+    use EmptyGuardTrait;
+    use NullGuardTrait;
+}

core/vendor/zendframework/zend-stdlib/Guard/ArrayOrTraversableGuardTrait.php

@@ -0,0 +1,41 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Guard;
+
+use Traversable;
+
+/**
+ * Provide a guard method for array or Traversable data
+ */
+trait ArrayOrTraversableGuardTrait
+{
+    /**
+     * Verifies that the data is an array or Traversable
+     *
+     * @param  mixed  $data           the data to verify
+     * @param  string $dataName       the data name
+     * @param  string $exceptionClass FQCN for the exception
+     * @throws \Exception
+     */
+    protected function guardForArrayOrTraversable(
+        $data,
+        $dataName = 'Argument',
+        $exceptionClass = 'Zend\Stdlib\Exception\InvalidArgumentException'
+    ) {
+        if (!is_array($data) && !($data instanceof Traversable)) {
+            $message = sprintf(
+                "%s must be an array or Traversable, [%s] given",
+                $dataName,
+                is_object($data) ? get_class($data) : gettype($data)
+            );
+            throw new $exceptionClass($message);
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/Guard/EmptyGuardTrait.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Guard;
+
+/**
+ * Provide a guard method against empty data
+ */
+trait EmptyGuardTrait
+{
+    /**
+     * Verify that the data is not empty
+     *
+     * @param  mixed  $data           the data to verify
+     * @param  string $dataName       the data name
+     * @param  string $exceptionClass FQCN for the exception
+     * @throws \Exception
+     */
+    protected function guardAgainstEmpty(
+        $data,
+        $dataName = 'Argument',
+        $exceptionClass = 'Zend\Stdlib\Exception\InvalidArgumentException'
+    ) {
+        if (empty($data)) {
+            $message = sprintf('%s cannot be empty', $dataName);
+            throw new $exceptionClass($message);
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/Guard/GuardUtils.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Guard;
+
+use Traversable;
+
+/**
+ * Static guard helper class
+ *
+ * Bridges the gap for allowing refactoring until traits can be used by default.
+ *
+ * @deprecated
+ */
+abstract class GuardUtils
+{
+    const DEFAULT_EXCEPTION_CLASS = 'Zend\Stdlib\Exception\InvalidArgumentException';
+
+    /**
+     * Verifies that the data is an array or Traversable
+     *
+     * @param  mixed  $data           the data to verify
+     * @param  string $dataName       the data name
+     * @param  string $exceptionClass FQCN for the exception
+     * @throws \Exception
+     */
+    public static function guardForArrayOrTraversable(
+        $data,
+        $dataName = 'Argument',
+        $exceptionClass = self::DEFAULT_EXCEPTION_CLASS
+    ) {
+        if (!is_array($data) && !($data instanceof Traversable)) {
+            $message = sprintf(
+                '%s must be an array or Traversable, [%s] given',
+                $dataName,
+                is_object($data) ? get_class($data) : gettype($data)
+            );
+            throw new $exceptionClass($message);
+        }
+    }
+
+    /**
+     * Verify that the data is not empty
+     *
+     * @param  mixed  $data           the data to verify
+     * @param  string $dataName       the data name
+     * @param  string $exceptionClass FQCN for the exception
+     * @throws \Exception
+     */
+    public static function guardAgainstEmpty(
+        $data,
+        $dataName = 'Argument',
+        $exceptionClass = self::DEFAULT_EXCEPTION_CLASS
+    ) {
+        if (empty($data)) {
+            $message = sprintf('%s cannot be empty', $dataName);
+            throw new $exceptionClass($message);
+        }
+    }
+
+    /**
+     * Verify that the data is not null
+     *
+     * @param  mixed  $data           the data to verify
+     * @param  string $dataName       the data name
+     * @param  string $exceptionClass FQCN for the exception
+     * @throws \Exception
+     */
+    public static function guardAgainstNull(
+        $data,
+        $dataName = 'Argument',
+        $exceptionClass = self::DEFAULT_EXCEPTION_CLASS
+    ) {
+        if (null === $data) {
+            $message = sprintf('%s cannot be null', $dataName);
+            throw new $exceptionClass($message);
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/Guard/NullGuardTrait.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Guard;
+
+/**
+ * Provide a guard method against null data
+ */
+trait NullGuardTrait
+{
+    /**
+     * Verify that the data is not null
+     *
+     * @param  mixed  $data           the data to verify
+     * @param  string $dataName       the data name
+     * @param  string $exceptionClass FQCN for the exception
+     * @throws \Exception
+     */
+    protected function guardAgainstNull(
+        $data,
+        $dataName = 'Argument',
+        $exceptionClass = 'Zend\Stdlib\Exception\InvalidArgumentException'
+    ) {
+        if (null === $data) {
+            $message = sprintf('%s cannot be null', $dataName);
+            throw new $exceptionClass($message);
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/AbstractHydrator.php

@@ -0,0 +1,287 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use ArrayObject;
+use Zend\Stdlib\Exception;
+use Zend\Stdlib\Hydrator\Filter\FilterComposite;
+use Zend\Stdlib\Hydrator\NamingStrategy\NamingStrategyInterface;
+use Zend\Stdlib\Hydrator\Strategy\StrategyInterface;
+
+abstract class AbstractHydrator implements
+    HydratorInterface,
+    StrategyEnabledInterface,
+    FilterEnabledInterface,
+    NamingStrategyEnabledInterface
+{
+    /**
+     * The list with strategies that this hydrator has.
+     *
+     * @var ArrayObject
+     */
+    protected $strategies;
+
+    /**
+     * An instance of NamingStrategyInterface
+     *
+     * @var NamingStrategyInterface
+     */
+    protected $namingStrategy;
+
+    /**
+     * Composite to filter the methods, that need to be hydrated
+     *
+     * @var Filter\FilterComposite
+     */
+    protected $filterComposite;
+
+    /**
+     * Initializes a new instance of this class.
+     */
+    public function __construct()
+    {
+        $this->strategies = new ArrayObject();
+        $this->filterComposite = new FilterComposite();
+    }
+
+    /**
+     * Gets the strategy with the given name.
+     *
+     * @param string $name The name of the strategy to get.
+     *
+     * @throws \Zend\Stdlib\Exception\InvalidArgumentException
+     * @return StrategyInterface
+     */
+    public function getStrategy($name)
+    {
+        if (isset($this->strategies[$name])) {
+            return $this->strategies[$name];
+        }
+
+        if (!isset($this->strategies['*'])) {
+            throw new Exception\InvalidArgumentException(sprintf(
+                '%s: no strategy by name of "%s", and no wildcard strategy present',
+                __METHOD__,
+                $name
+            ));
+        }
+
+        return $this->strategies['*'];
+    }
+
+    /**
+     * Checks if the strategy with the given name exists.
+     *
+     * @param string $name The name of the strategy to check for.
+     * @return bool
+     */
+    public function hasStrategy($name)
+    {
+        return array_key_exists($name, $this->strategies)
+               || array_key_exists('*', $this->strategies);
+    }
+
+    /**
+     * Adds the given strategy under the given name.
+     *
+     * @param string $name The name of the strategy to register.
+     * @param StrategyInterface $strategy The strategy to register.
+     * @return HydratorInterface
+     */
+    public function addStrategy($name, StrategyInterface $strategy)
+    {
+        $this->strategies[$name] = $strategy;
+        return $this;
+    }
+
+    /**
+     * Removes the strategy with the given name.
+     *
+     * @param string $name The name of the strategy to remove.
+     * @return HydratorInterface
+     */
+    public function removeStrategy($name)
+    {
+        unset($this->strategies[$name]);
+        return $this;
+    }
+
+    /**
+     * Converts a value for extraction. If no strategy exists the plain value is returned.
+     *
+     * @param  string $name  The name of the strategy to use.
+     * @param  mixed  $value  The value that should be converted.
+     * @param  mixed  $object The object is optionally provided as context.
+     * @return mixed
+     */
+    public function extractValue($name, $value, $object = null)
+    {
+        if ($this->hasStrategy($name)) {
+            $strategy = $this->getStrategy($name);
+            $value = $strategy->extract($value, $object);
+        }
+        return $value;
+    }
+
+    /**
+     * Converts a value for hydration. If no strategy exists the plain value is returned.
+     *
+     * @param string $name The name of the strategy to use.
+     * @param mixed $value The value that should be converted.
+     * @param array $data The whole data is optionally provided as context.
+     * @return mixed
+     */
+    public function hydrateValue($name, $value, $data = null)
+    {
+        if ($this->hasStrategy($name)) {
+            $strategy = $this->getStrategy($name);
+            $value = $strategy->hydrate($value, $data);
+        }
+        return $value;
+    }
+
+    /**
+     * Convert a name for extraction. If no naming strategy exists, the plain value is returned.
+     *
+     * @param string $name    The name to convert.
+     * @param null   $object  The object is optionally provided as context.
+     * @return mixed
+     */
+    public function extractName($name, $object = null)
+    {
+        if ($this->hasNamingStrategy()) {
+            $name = $this->getNamingStrategy()->extract($name, $object);
+        }
+        return $name;
+    }
+
+    /**
+     * Converts a value for hydration. If no naming strategy exists, the plain value is returned.
+     *
+     * @param string $name  The name to convert.
+     * @param array  $data  The whole data is optionally provided as context.
+     * @return mixed
+     */
+    public function hydrateName($name, $data = null)
+    {
+        if ($this->hasNamingStrategy()) {
+            $name = $this->getNamingStrategy()->hydrate($name, $data);
+        }
+        return $name;
+    }
+
+    /**
+     * Get the filter instance
+     *
+     * @return Filter\FilterComposite
+     */
+    public function getFilter()
+    {
+        return $this->filterComposite;
+    }
+
+    /**
+     * Add a new filter to take care of what needs to be hydrated.
+     * To exclude e.g. the method getServiceLocator:
+     *
+     * <code>
+     * $composite->addFilter("servicelocator",
+     *     function ($property) {
+     *         list($class, $method) = explode('::', $property);
+     *         if ($method === 'getServiceLocator') {
+     *             return false;
+     *         }
+     *         return true;
+     *     }, FilterComposite::CONDITION_AND
+     * );
+     * </code>
+     *
+     * @param string $name Index in the composite
+     * @param callable|Filter\FilterInterface $filter
+     * @param int $condition
+     * @return Filter\FilterComposite
+     */
+    public function addFilter($name, $filter, $condition = FilterComposite::CONDITION_OR)
+    {
+        return $this->filterComposite->addFilter($name, $filter, $condition);
+    }
+
+    /**
+     * Check whether a specific filter exists at key $name or not
+     *
+     * @param string $name Index in the composite
+     * @return bool
+     */
+    public function hasFilter($name)
+    {
+        return $this->filterComposite->hasFilter($name);
+    }
+
+    /**
+     * Remove a filter from the composition.
+     * To not extract "has" methods, you simply need to unregister it
+     *
+     * <code>
+     * $filterComposite->removeFilter('has');
+     * </code>
+     *
+     * @param $name
+     * @return Filter\FilterComposite
+     */
+    public function removeFilter($name)
+    {
+        return $this->filterComposite->removeFilter($name);
+    }
+
+    /**
+     * Adds the given naming strategy
+     *
+     * @param NamingStrategyInterface $strategy The naming to register.
+     * @return self
+     */
+    public function setNamingStrategy(NamingStrategyInterface $strategy)
+    {
+        $this->namingStrategy = $strategy;
+
+        return $this;
+    }
+
+    /**
+     * Gets the naming strategy.
+     *
+     * @return NamingStrategyInterface
+     */
+    public function getNamingStrategy()
+    {
+        return $this->namingStrategy;
+    }
+
+    /**
+     * Checks if a naming strategy exists.
+     *
+     * @return bool
+     */
+    public function hasNamingStrategy()
+    {
+        return isset($this->namingStrategy);
+    }
+
+    /**
+     * Removes the naming strategy
+     *
+     * @return self
+     */
+    public function removeNamingStrategy()
+    {
+        $this->namingStrategy = null;
+
+        return $this;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Aggregate/AggregateHydrator.php

@@ -0,0 +1,85 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Aggregate;
+
+use Zend\EventManager\EventManager;
+use Zend\EventManager\EventManagerAwareInterface;
+use Zend\EventManager\EventManagerInterface;
+use Zend\Stdlib\Hydrator\HydratorInterface;
+
+/**
+ * Aggregate hydrator that composes multiple hydrators via events
+ */
+class AggregateHydrator implements HydratorInterface, EventManagerAwareInterface
+{
+    const DEFAULT_PRIORITY = 1;
+
+    /**
+     * @var \Zend\EventManager\EventManagerInterface|null
+     */
+    protected $eventManager;
+
+    /**
+     * Attaches the provided hydrator to the list of hydrators to be used while hydrating/extracting data
+     *
+     * @param \Zend\Stdlib\Hydrator\HydratorInterface $hydrator
+     * @param int                                     $priority
+     */
+    public function add(HydratorInterface $hydrator, $priority = self::DEFAULT_PRIORITY)
+    {
+        $this->getEventManager()->attachAggregate(new HydratorListener($hydrator), $priority);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function extract($object)
+    {
+        $event = new ExtractEvent($this, $object);
+
+        $this->getEventManager()->trigger($event);
+
+        return $event->getExtractedData();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate(array $data, $object)
+    {
+        $event = new HydrateEvent($this, $object, $data);
+
+        $this->getEventManager()->trigger($event);
+
+        return $event->getHydratedObject();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function setEventManager(EventManagerInterface $eventManager)
+    {
+        $eventManager->setIdentifiers(array(__CLASS__, get_class($this)));
+
+        $this->eventManager = $eventManager;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getEventManager()
+    {
+        if (null === $this->eventManager) {
+            $this->setEventManager(new EventManager());
+        }
+
+        return $this->eventManager;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Aggregate/ExtractEvent.php

@@ -0,0 +1,98 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Aggregate;
+
+use Zend\EventManager\Event;
+
+/**
+ * Event triggered when the {@see \Zend\Stdlib\Hydrator\Aggregate\AggregateHydrator} extracts
+ * data from an object
+ */
+class ExtractEvent extends Event
+{
+    const EVENT_EXTRACT = 'extract';
+
+    /**
+     * {@inheritDoc}
+     */
+    protected $name = self::EVENT_EXTRACT;
+
+    /**
+     * @var object
+     */
+    protected $extractionObject;
+
+    /**
+     * @var array
+     */
+    protected $extractedData = array();
+
+    /**
+     * @param object $target
+     * @param object $extractionObject
+     */
+    public function __construct($target, $extractionObject)
+    {
+        $this->target           = $target;
+        $this->extractionObject = $extractionObject;
+    }
+
+    /**
+     * Retrieves the object from which data is extracted
+     *
+     * @return object
+     */
+    public function getExtractionObject()
+    {
+        return $this->extractionObject;
+    }
+
+    /**
+     * @param object $extractionObject
+     *
+     * @return void
+     */
+    public function setExtractionObject($extractionObject)
+    {
+        $this->extractionObject = $extractionObject;
+    }
+
+    /**
+     * Retrieves the data that has been extracted
+     *
+     * @return array
+     */
+    public function getExtractedData()
+    {
+        return $this->extractedData;
+    }
+
+    /**
+     * @param array $extractedData
+     *
+     * @return void
+     */
+    public function setExtractedData(array $extractedData)
+    {
+        $this->extractedData = $extractedData;
+    }
+
+    /**
+     * Merge provided data with the extracted data
+     *
+     * @param array $additionalData
+     *
+     * @return void
+     */
+    public function mergeExtractedData(array $additionalData)
+    {
+        $this->extractedData = array_merge($this->extractedData, $additionalData);
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Aggregate/HydrateEvent.php

@@ -0,0 +1,84 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Aggregate;
+
+use Zend\EventManager\Event;
+
+/**
+ * Event triggered when the {@see \Zend\Stdlib\Hydrator\Aggregate\AggregateHydrator} hydrates
+ * data into an object
+ */
+class HydrateEvent extends Event
+{
+    const EVENT_HYDRATE = 'hydrate';
+
+    /**
+     * {@inheritDoc}
+     */
+    protected $name = self::EVENT_HYDRATE;
+
+    /**
+     * @var object
+     */
+    protected $hydratedObject;
+
+    /**
+     * @var array
+     */
+    protected $hydrationData;
+
+    /**
+     * @param object $target
+     * @param object $hydratedObject
+     * @param array  $hydrationData
+     */
+    public function __construct($target, $hydratedObject, array $hydrationData)
+    {
+        $this->target         = $target;
+        $this->hydratedObject = $hydratedObject;
+        $this->hydrationData  = $hydrationData;
+    }
+
+    /**
+     * Retrieves the object that is being hydrated
+     *
+     * @return object
+     */
+    public function getHydratedObject()
+    {
+        return $this->hydratedObject;
+    }
+
+    /**
+     * @param object $hydratedObject
+     */
+    public function setHydratedObject($hydratedObject)
+    {
+        $this->hydratedObject = $hydratedObject;
+    }
+
+    /**
+     * Retrieves the data that is being used for hydration
+     *
+     * @return array
+     */
+    public function getHydrationData()
+    {
+        return $this->hydrationData;
+    }
+
+    /**
+     * @param array $hydrationData
+     */
+    public function setHydrationData(array $hydrationData)
+    {
+        $this->hydrationData = $hydrationData;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Aggregate/HydratorListener.php

@@ -0,0 +1,80 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Aggregate;
+
+use Zend\EventManager\AbstractListenerAggregate;
+use Zend\EventManager\EventManagerInterface;
+use Zend\Stdlib\Hydrator\HydratorInterface;
+
+/**
+ * Aggregate listener wrapping around a hydrator. Listens
+ * to {@see \Zend\Stdlib\Hydrator\Aggregate::EVENT_HYDRATE} and
+ * {@see \Zend\Stdlib\Hydrator\Aggregate::EVENT_EXTRACT}
+ */
+class HydratorListener extends AbstractListenerAggregate
+{
+    /**
+     * @var \Zend\Stdlib\Hydrator\HydratorInterface
+     */
+    protected $hydrator;
+
+    /**
+     * @param \Zend\Stdlib\Hydrator\HydratorInterface $hydrator
+     */
+    public function __construct(HydratorInterface $hydrator)
+    {
+        $this->hydrator = $hydrator;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function attach(EventManagerInterface $events, $priority = 1)
+    {
+        $this->listeners[] = $events->attach(HydrateEvent::EVENT_HYDRATE, array($this, 'onHydrate'), $priority);
+        $this->listeners[] = $events->attach(ExtractEvent::EVENT_EXTRACT, array($this, 'onExtract'), $priority);
+    }
+
+    /**
+     * Callback to be used when {@see \Zend\Stdlib\Hydrator\Aggregate\HydrateEvent::EVENT_HYDRATE} is triggered
+     *
+     * @param \Zend\Stdlib\Hydrator\Aggregate\HydrateEvent $event
+     *
+     * @return object
+     *
+     * @internal
+     */
+    public function onHydrate(HydrateEvent $event)
+    {
+        $object = $this->hydrator->hydrate($event->getHydrationData(), $event->getHydratedObject());
+
+        $event->setHydratedObject($object);
+
+        return $object;
+    }
+
+    /**
+     * Callback to be used when {@see \Zend\Stdlib\Hydrator\Aggregate\ExtractEvent::EVENT_EXTRACT} is triggered
+     *
+     * @param \Zend\Stdlib\Hydrator\Aggregate\ExtractEvent $event
+     *
+     * @return array
+     *
+     * @internal
+     */
+    public function onExtract(ExtractEvent $event)
+    {
+        $data = $this->hydrator->extract($event->getExtractionObject());
+
+        $event->mergeExtractedData($data);
+
+        return $data;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/ArraySerializable.php

@@ -0,0 +1,83 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\Stdlib\Exception;
+
+class ArraySerializable extends AbstractHydrator
+{
+    /**
+     * Extract values from the provided object
+     *
+     * Extracts values via the object's getArrayCopy() method.
+     *
+     * @param  object $object
+     * @return array
+     * @throws Exception\BadMethodCallException for an $object not implementing getArrayCopy()
+     */
+    public function extract($object)
+    {
+        if (!is_callable(array($object, 'getArrayCopy'))) {
+            throw new Exception\BadMethodCallException(
+                sprintf('%s expects the provided object to implement getArrayCopy()', __METHOD__)
+            );
+        }
+
+        $data = $object->getArrayCopy();
+        $filter = $this->getFilter();
+
+        foreach ($data as $name => $value) {
+            if (!$filter->filter($name)) {
+                unset($data[$name]);
+                continue;
+            }
+            $extractedName = $this->extractName($name, $object);
+            // replace the original key with extracted, if differ
+            if ($extractedName !== $name) {
+                unset($data[$name]);
+                $name = $extractedName;
+            }
+            $data[$name] = $this->extractValue($name, $value, $object);
+        }
+
+        return $data;
+    }
+
+    /**
+     * Hydrate an object
+     *
+     * Hydrates an object by passing $data to either its exchangeArray() or
+     * populate() method.
+     *
+     * @param  array $data
+     * @param  object $object
+     * @return object
+     * @throws Exception\BadMethodCallException for an $object not implementing exchangeArray() or populate()
+     */
+    public function hydrate(array $data, $object)
+    {
+        $replacement = array();
+        foreach ($data as $key => $value) {
+            $name = $this->hydrateName($key, $data);
+            $replacement[$name] = $this->hydrateValue($name, $value, $data);
+        }
+
+        if (is_callable(array($object, 'exchangeArray'))) {
+            $object->exchangeArray($replacement);
+        } elseif (is_callable(array($object, 'populate'))) {
+            $object->populate($replacement);
+        } else {
+            throw new Exception\BadMethodCallException(
+                sprintf('%s expects the provided object to implement exchangeArray() or populate()', __METHOD__)
+            );
+        }
+        return $object;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/ClassMethods.php

@@ -0,0 +1,274 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Traversable;
+use Zend\Stdlib\Exception;
+use Zend\Stdlib\ArrayUtils;
+use Zend\Stdlib\Hydrator\Filter\FilterComposite;
+use Zend\Stdlib\Hydrator\Filter\FilterProviderInterface;
+use Zend\Stdlib\Hydrator\Filter\GetFilter;
+use Zend\Stdlib\Hydrator\Filter\HasFilter;
+use Zend\Stdlib\Hydrator\Filter\IsFilter;
+use Zend\Stdlib\Hydrator\Filter\MethodMatchFilter;
+use Zend\Stdlib\Hydrator\Filter\OptionalParametersFilter;
+use Zend\Stdlib\Hydrator\NamingStrategy\NamingStrategyInterface;
+use Zend\Stdlib\Hydrator\NamingStrategy\UnderscoreNamingStrategy;
+
+class ClassMethods extends AbstractHydrator implements HydratorOptionsInterface
+{
+    /**
+     * Holds the names of the methods used for hydration, indexed by class::property name,
+     * false if the hydration method is not callable/usable for hydration purposes
+     *
+     * @var string[]|bool[]
+     */
+    private $hydrationMethodsCache = array();
+
+    /**
+     * A map of extraction methods to property name to be used during extraction, indexed
+     * by class name and method name
+     *
+     * @var string[][]
+     */
+    private $extractionMethodsCache = array();
+
+    /**
+     * Flag defining whether array keys are underscore-separated (true) or camel case (false)
+     *
+     * @var bool
+     */
+    protected $underscoreSeparatedKeys = true;
+
+    /**
+     * @var \Zend\Stdlib\Hydrator\Filter\FilterInterface
+     */
+    private $callableMethodFilter;
+
+    /**
+     * Define if extract values will use camel case or name with underscore
+     * @param bool|array $underscoreSeparatedKeys
+     */
+    public function __construct($underscoreSeparatedKeys = true)
+    {
+        parent::__construct();
+        $this->setUnderscoreSeparatedKeys($underscoreSeparatedKeys);
+
+        $this->callableMethodFilter = new OptionalParametersFilter();
+
+        $this->filterComposite->addFilter('is', new IsFilter());
+        $this->filterComposite->addFilter('has', new HasFilter());
+        $this->filterComposite->addFilter('get', new GetFilter());
+        $this->filterComposite->addFilter('parameter', new OptionalParametersFilter(), FilterComposite::CONDITION_AND);
+    }
+
+    /**
+     * @param  array|Traversable                 $options
+     * @return ClassMethods
+     * @throws Exception\InvalidArgumentException
+     */
+    public function setOptions($options)
+    {
+        if ($options instanceof Traversable) {
+            $options = ArrayUtils::iteratorToArray($options);
+        } elseif (!is_array($options)) {
+            throw new Exception\InvalidArgumentException(
+                'The options parameter must be an array or a Traversable'
+            );
+        }
+        if (isset($options['underscoreSeparatedKeys'])) {
+            $this->setUnderscoreSeparatedKeys($options['underscoreSeparatedKeys']);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @param  bool      $underscoreSeparatedKeys
+     * @return ClassMethods
+     */
+    public function setUnderscoreSeparatedKeys($underscoreSeparatedKeys)
+    {
+        $this->underscoreSeparatedKeys = (bool) $underscoreSeparatedKeys;
+
+        if ($this->underscoreSeparatedKeys) {
+            $this->setNamingStrategy(new UnderscoreNamingStrategy);
+        } elseif ($this->getNamingStrategy() instanceof UnderscoreNamingStrategy) {
+            $this->removeNamingStrategy();
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return bool
+     */
+    public function getUnderscoreSeparatedKeys()
+    {
+        return $this->underscoreSeparatedKeys;
+    }
+
+    /**
+     * Extract values from an object with class methods
+     *
+     * Extracts the getter/setter of the given $object.
+     *
+     * @param  object                           $object
+     * @return array
+     * @throws Exception\BadMethodCallException for a non-object $object
+     */
+    public function extract($object)
+    {
+        if (!is_object($object)) {
+            throw new Exception\BadMethodCallException(sprintf(
+                '%s expects the provided $object to be a PHP object)',
+                __METHOD__
+            ));
+        }
+
+        $objectClass = get_class($object);
+
+        // reset the hydrator's hydrator's cache for this object, as the filter may be per-instance
+        if ($object instanceof FilterProviderInterface) {
+            $this->extractionMethodsCache[$objectClass] = null;
+        }
+
+        // pass 1 - finding out which properties can be extracted, with which methods (populate hydration cache)
+        if (! isset($this->extractionMethodsCache[$objectClass])) {
+            $this->extractionMethodsCache[$objectClass] = array();
+            $filter                                     = $this->filterComposite;
+            $methods                                    = get_class_methods($object);
+
+            if ($object instanceof FilterProviderInterface) {
+                $filter = new FilterComposite(
+                    array($object->getFilter()),
+                    array(new MethodMatchFilter('getFilter'))
+                );
+            }
+
+            foreach ($methods as $method) {
+                $methodFqn = $objectClass . '::' . $method;
+
+                if (! ($filter->filter($methodFqn) && $this->callableMethodFilter->filter($methodFqn))) {
+                    continue;
+                }
+
+                $attribute = $method;
+
+                if (strpos($method, 'get') === 0) {
+                    $attribute = substr($method, 3);
+                    if (!property_exists($object, $attribute)) {
+                        $attribute = lcfirst($attribute);
+                    }
+                }
+
+                $this->extractionMethodsCache[$objectClass][$method] = $attribute;
+            }
+        }
+
+        $values = array();
+
+        // pass 2 - actually extract data
+        foreach ($this->extractionMethodsCache[$objectClass] as $methodName => $attributeName) {
+            $realAttributeName          = $this->extractName($attributeName, $object);
+            $values[$realAttributeName] = $this->extractValue($realAttributeName, $object->$methodName(), $object);
+        }
+
+        return $values;
+    }
+
+    /**
+     * Hydrate an object by populating getter/setter methods
+     *
+     * Hydrates an object by getter/setter methods of the object.
+     *
+     * @param  array                            $data
+     * @param  object                           $object
+     * @return object
+     * @throws Exception\BadMethodCallException for a non-object $object
+     */
+    public function hydrate(array $data, $object)
+    {
+        if (!is_object($object)) {
+            throw new Exception\BadMethodCallException(sprintf(
+                '%s expects the provided $object to be a PHP object)',
+                __METHOD__
+            ));
+        }
+
+        $objectClass = get_class($object);
+
+        foreach ($data as $property => $value) {
+            $propertyFqn = $objectClass . '::$' . $property;
+
+            if (! isset($this->hydrationMethodsCache[$propertyFqn])) {
+                $setterName = 'set' . ucfirst($this->hydrateName($property, $data));
+
+                $this->hydrationMethodsCache[$propertyFqn] = is_callable(array($object, $setterName))
+                    ? $setterName
+                    : false;
+            }
+
+            if ($this->hydrationMethodsCache[$propertyFqn]) {
+                $object->{$this->hydrationMethodsCache[$propertyFqn]}($this->hydrateValue($property, $value, $data));
+            }
+        }
+
+        return $object;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function addFilter($name, $filter, $condition = FilterComposite::CONDITION_OR)
+    {
+        $this->resetCaches();
+
+        return parent::addFilter($name, $filter, $condition);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function removeFilter($name)
+    {
+        $this->resetCaches();
+
+        return parent::removeFilter($name);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function setNamingStrategy(NamingStrategyInterface $strategy)
+    {
+        $this->resetCaches();
+
+        return parent::setNamingStrategy($strategy);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function removeNamingStrategy()
+    {
+        $this->resetCaches();
+
+        return parent::removeNamingStrategy();
+    }
+
+    /**
+     * Reset all local hydration/extraction caches
+     */
+    private function resetCaches()
+    {
+        $this->hydrationMethodsCache = $this->extractionMethodsCache = array();
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/DelegatingHydrator.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\ServiceManager\ServiceLocatorInterface;
+
+class DelegatingHydrator implements HydratorInterface
+{
+    /**
+     * @var ServiceLocatorInterface
+     */
+    protected $hydrators;
+
+    /**
+     * Constructor
+     *
+     * @param ServiceLocatorInterface $hydrators
+     */
+    public function __construct(ServiceLocatorInterface $hydrators)
+    {
+        $this->hydrators = $hydrators;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hydrate(array $data, $object)
+    {
+        return $this->getHydrator($object)->hydrate($data, $object);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function extract($object)
+    {
+        return $this->getHydrator($object)->extract($object);
+    }
+
+    /**
+     * Gets hydrator of an object
+     *
+     * @param  object $object
+     * @return HydratorInterface
+     */
+    protected function getHydrator($object)
+    {
+        return $this->hydrators->get(get_class($object));
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/DelegatingHydratorFactory.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\ServiceManager\FactoryInterface;
+use Zend\ServiceManager\ServiceLocatorInterface;
+
+class DelegatingHydratorFactory implements FactoryInterface
+{
+    /**
+     * Creates DelegatingHydrator
+     *
+     * @param  ServiceLocatorInterface $serviceLocator
+     * @return DelegatingHydrator
+     */
+    public function createService(ServiceLocatorInterface $serviceLocator)
+    {
+        // Assume that this factory is registered with the HydratorManager,
+        // and just pass it directly on.
+        return new DelegatingHydrator($serviceLocator);
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/FilterComposite.php

@@ -0,0 +1,194 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Stdlib\Hydrator\Filter;
+
+use ArrayObject;
+use Zend\Stdlib\Exception\InvalidArgumentException;
+
+class FilterComposite implements FilterInterface
+{
+    /**
+     * @var ArrayObject
+     */
+    protected $orFilter;
+
+    /**
+     * @var ArrayObject
+     */
+    protected $andFilter;
+
+    /**
+     * Constant to add with "or" conditition
+     */
+    const CONDITION_OR = 1;
+
+    /**
+     * Constant to add with "and" conditition
+     */
+    const CONDITION_AND = 2;
+
+    /**
+     * Define default Filter
+     *
+     * @throws InvalidArgumentException
+     */
+    public function __construct($orFilter = array(), $andFilter = array())
+    {
+        array_walk(
+            $orFilter,
+            function ($value, $key) {
+                if (!is_callable($value) && !$value instanceof FilterInterface) {
+                    throw new InvalidArgumentException(
+                        'The value of ' . $key . ' should be either a callable or ' .
+                        'an instance of Zend\Stdlib\Hydrator\Filter\FilterInterface'
+                    );
+                }
+            }
+        );
+
+        array_walk(
+            $andFilter,
+            function ($value, $key) {
+                if (!is_callable($value) && !$value instanceof FilterInterface) {
+                    throw new InvalidArgumentException(
+                        'The value of ' . $key . '  should be either a callable or ' .
+                        'an instance of Zend\Stdlib\Hydrator\Filter\FilterInterface'
+                    );
+                }
+            }
+        );
+
+        $this->orFilter = new ArrayObject($orFilter);
+        $this->andFilter = new ArrayObject($andFilter);
+    }
+
+    /**
+     * Add a filter to the composite. Has to be indexed with $name in
+     * order to identify a specific filter.
+     *
+     * This example will exclude all methods from the hydration, that starts with 'getService'
+     * <code>
+     * $composite->addFilter('exclude',
+     *     function ($method) {
+     *         if (preg_match('/^getService/', $method) {
+     *             return false;
+     *         }
+     *         return true;
+     *     }, FilterComposite::CONDITION_AND
+     * );
+     * </code>
+     *
+     * @param  string                   $name
+     * @param  callable|FilterInterface $filter
+     * @param  int                      $condition Can be either FilterComposite::CONDITION_OR or FilterComposite::CONDITION_AND
+     * @throws InvalidArgumentException
+     * @return FilterComposite
+     */
+    public function addFilter($name, $filter, $condition = self::CONDITION_OR)
+    {
+        if (!is_callable($filter) && !($filter instanceof FilterInterface)) {
+            throw new InvalidArgumentException(
+                'The value of ' . $name . ' should be either a callable or ' .
+                'an instance of Zend\Stdlib\Hydrator\Filter\FilterInterface'
+            );
+        }
+
+        if ($condition === self::CONDITION_OR) {
+            $this->orFilter[$name] = $filter;
+        } elseif ($condition === self::CONDITION_AND) {
+            $this->andFilter[$name] = $filter;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Remove a filter from the composition
+     *
+     * @param $name string Identifier for the filter
+     * @return FilterComposite
+     */
+    public function removeFilter($name)
+    {
+        if (isset($this->orFilter[$name])) {
+            unset($this->orFilter[$name]);
+        }
+
+        if (isset($this->andFilter[$name])) {
+            unset($this->andFilter[$name]);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Check if $name has a filter registered
+     *
+     * @param $name string Identifier for the filter
+     * @return bool
+     */
+    public function hasFilter($name)
+    {
+        return isset($this->orFilter[$name]) || isset($this->andFilter[$name]);
+    }
+
+    /**
+     * Filter the composite based on the AND and OR condition
+     * Will return true if one from the "or conditions" and all from
+     * the "and condition" returns true. Otherwise false
+     *
+     * @param $property string Parameter will be e.g. Parent\Namespace\Class::method
+     * @return bool
+     */
+    public function filter($property)
+    {
+        $andCount = count($this->andFilter);
+        $orCount = count($this->orFilter);
+        // return true if no filters are registered
+        if ($orCount === 0 && $andCount === 0) {
+            return true;
+        } elseif ($orCount === 0 && $andCount !== 0) {
+            $returnValue = true;
+        } else {
+            $returnValue = false;
+        }
+
+        // Check if 1 from the or filters return true
+        foreach ($this->orFilter as $filter) {
+            if (is_callable($filter)) {
+                if ($filter($property) === true) {
+                    $returnValue = true;
+                    break;
+                }
+                continue;
+            } else {
+                if ($filter->filter($property) === true) {
+                    $returnValue = true;
+                    break;
+                }
+            }
+        }
+
+        // Check if all of the and condition return true
+        foreach ($this->andFilter as $filter) {
+            if (is_callable($filter)) {
+                if ($filter($property) === false) {
+                    return false;
+                }
+                continue;
+            } else {
+                if ($filter->filter($property) === false) {
+                    return false;
+                }
+            }
+        }
+
+        return $returnValue;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/FilterInterface.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Stdlib\Hydrator\Filter;
+
+interface FilterInterface
+{
+    /**
+     * Should return true, if the given filter
+     * does not match
+     *
+     * @param string $property The name of the property
+     * @return bool
+     */
+    public function filter($property);
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/FilterProviderInterface.php

@@ -0,0 +1,19 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Stdlib\Hydrator\Filter;
+
+interface FilterProviderInterface
+{
+    /**
+     * Provides a filter for hydration
+     *
+     * @return FilterInterface
+     */
+    public function getFilter();
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/GetFilter.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Stdlib\Hydrator\Filter;
+
+class GetFilter implements FilterInterface
+{
+    public function filter($property)
+    {
+        $pos = strpos($property, '::');
+        if ($pos !== false) {
+            $pos += 2;
+        } else {
+            $pos = 0;
+        }
+
+        if (substr($property, $pos, 3) === 'get') {
+            return true;
+        }
+        return false;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/HasFilter.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Stdlib\Hydrator\Filter;
+
+class HasFilter implements FilterInterface
+{
+    public function filter($property)
+    {
+        $pos = strpos($property, '::');
+        if ($pos !== false) {
+            $pos += 2;
+        } else {
+            $pos = 0;
+        }
+
+        if (substr($property, $pos, 3) === 'has') {
+            return true;
+        }
+        return false;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/IsFilter.php

@@ -0,0 +1,27 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Stdlib\Hydrator\Filter;
+
+class IsFilter implements FilterInterface
+{
+    public function filter($property)
+    {
+        $pos = strpos($property, '::');
+        if ($pos !== false) {
+            $pos += 2;
+        } else {
+            $pos = 0;
+        }
+
+        if (substr($property, $pos, 2) === 'is') {
+            return true;
+        }
+        return false;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/MethodMatchFilter.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Stdlib\Hydrator\Filter;
+
+class MethodMatchFilter implements FilterInterface
+{
+    /**
+     * The method to exclude
+     * @var string
+     */
+    protected $method = null;
+
+    /**
+     * Either an exclude or an include
+     * @var bool
+     */
+    protected $exclude = null;
+
+    /**
+     * @param string $method The method to exclude or include
+     * @param bool $exclude If the method should be excluded
+     */
+    public function __construct($method, $exclude = true)
+    {
+        $this->method = $method;
+        $this->exclude = $exclude;
+    }
+
+    public function filter($property)
+    {
+        $pos = strpos($property, '::');
+        if ($pos !== false) {
+            $pos += 2;
+        } else {
+            $pos = 0;
+        }
+        if (substr($property, $pos) === $this->method) {
+            return !$this->exclude;
+        }
+        return $this->exclude;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/NumberOfParameterFilter.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Filter;
+
+use ReflectionException;
+use ReflectionMethod;
+use Zend\Stdlib\Exception\InvalidArgumentException;
+
+class NumberOfParameterFilter implements FilterInterface
+{
+    /**
+     * The number of parameters beeing accepted
+     * @var int
+     */
+    protected $numberOfParameters = null;
+
+    /**
+     * @param int $numberOfParameters Number of accepted parameters
+     */
+    public function __construct($numberOfParameters = 0)
+    {
+        $this->numberOfParameters = (int) $numberOfParameters;
+    }
+
+    /**
+     * @param string $property the name of the property
+     * @return bool
+     * @throws InvalidArgumentException
+     */
+    public function filter($property)
+    {
+        try {
+            $reflectionMethod = new ReflectionMethod($property);
+        } catch (ReflectionException $exception) {
+            throw new InvalidArgumentException(
+                "Method $property doesn't exist"
+            );
+        }
+
+        return $reflectionMethod->getNumberOfParameters() === $this->numberOfParameters;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Filter/OptionalParametersFilter.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link           http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright      Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license        http://framework.zend.com/license/new-bsd New BSD License
+ */
+namespace Zend\Stdlib\Hydrator\Filter;
+
+use InvalidArgumentException;
+use ReflectionException;
+use ReflectionMethod;
+use ReflectionParameter;
+
+/**
+ * Filter that includes methods which have no parameters or only optional parameters
+ */
+class OptionalParametersFilter implements FilterInterface
+{
+    /**
+     * Map of methods already analyzed
+     * by {@see \Zend\Stdlib\Hydrator\Filter\OptionalParametersFilter::filter()},
+     * cached for performance reasons
+     *
+     * @var bool[]
+     */
+    protected static $propertiesCache = array();
+
+    /**
+     * {@inheritDoc}
+     */
+    public function filter($property)
+    {
+        if (isset(static::$propertiesCache[$property])) {
+            return static::$propertiesCache[$property];
+        }
+
+        try {
+            $reflectionMethod = new ReflectionMethod($property);
+        } catch (ReflectionException $exception) {
+            throw new InvalidArgumentException(sprintf('Method %s doesn\'t exist', $property));
+        }
+
+        $mandatoryParameters = array_filter(
+            $reflectionMethod->getParameters(),
+            function (ReflectionParameter $parameter) {
+                return ! $parameter->isOptional();
+            }
+        );
+
+        return static::$propertiesCache[$property] = empty($mandatoryParameters);
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/FilterEnabledInterface.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\Stdlib\Hydrator\Filter\FilterInterface;
+use Zend\Stdlib\Hydrator\Filter\FilterComposite;
+use Zend\Stdlib\Hydrator\Filter\FilterProviderInterface;
+
+interface FilterEnabledInterface extends FilterProviderInterface
+{
+    /**
+     * Add a new filter to take care of what needs to be hydrated.
+     * To exclude e.g. the method getServiceLocator:
+     *
+     * <code>
+     * $composite->addFilter(
+     *     "servicelocator",
+     *     function ($property) {
+     *         list($class, $method) = explode('::', $property);
+     *         if ($method === 'getServiceLocator') {
+     *             return false;
+     *         }
+     *         return true;
+     *     },
+     *     FilterComposite::CONDITION_AND
+     * );
+     * </code>
+     *
+     * @param string $name Index in the composite
+     * @param callable|FilterInterface $filter
+     * @param int $condition
+     * @return FilterComposite
+     */
+    public function addFilter($name, $filter, $condition = FilterComposite::CONDITION_OR);
+
+    /**
+     * Check whether a specific filter exists at key $name or not
+     *
+     * @param string $name Index in the composite
+     * @return bool
+     */
+    public function hasFilter($name);
+
+    /**
+     * Remove a filter from the composition.
+     * To not extract "has" methods, you simply need to unregister it
+     *
+     * <code>
+     * $filterComposite->removeFilter('has');
+     * </code>
+     *
+     * @param $name
+     * @return FilterComposite
+     */
+    public function removeFilter($name);
+}

core/vendor/zendframework/zend-stdlib/Hydrator/HydrationInterface.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+interface HydrationInterface
+{
+    /**
+     * Hydrate $object with the provided $data.
+     *
+     * @param  array $data
+     * @param  object $object
+     * @return object
+     */
+    public function hydrate(array $data, $object);
+}

core/vendor/zendframework/zend-stdlib/Hydrator/HydratorAwareInterface.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+interface HydratorAwareInterface
+{
+    /**
+     * Set hydrator
+     *
+     * @param  HydratorInterface $hydrator
+     * @return HydratorAwareInterface
+     */
+    public function setHydrator(HydratorInterface $hydrator);
+
+    /**
+     * Retrieve hydrator
+     *
+     * @return HydratorInterface
+     */
+    public function getHydrator();
+}

core/vendor/zendframework/zend-stdlib/Hydrator/HydratorAwareTrait.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+trait HydratorAwareTrait
+{
+    /**
+     * Hydrator instance
+     *
+     * @var HydratorInterface
+     * @access protected
+     */
+    protected $hydrator = null;
+
+    /**
+     * Set hydrator
+     *
+     * @param  HydratorInterface $hydrator
+     * @return self
+     * @access public
+     */
+    public function setHydrator(HydratorInterface $hydrator)
+    {
+        $this->hydrator = $hydrator;
+
+        return $this;
+    }
+
+    /**
+     * Retrieve hydrator
+     *
+     * @param void
+     * @return null|HydratorInterface
+     * @access public
+     */
+    public function getHydrator()
+    {
+        return $this->hydrator;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/HydratorInterface.php

@@ -0,0 +1,16 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\Stdlib\Extractor\ExtractionInterface;
+
+interface HydratorInterface extends HydrationInterface, ExtractionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Hydrator/HydratorOptionsInterface.php

@@ -0,0 +1,19 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+interface HydratorOptionsInterface
+{
+    /**
+     * @param  array|\Traversable $options
+     * @return HydratorOptionsInterface
+     */
+    public function setOptions($options);
+}

core/vendor/zendframework/zend-stdlib/Hydrator/HydratorPluginManager.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\ServiceManager\AbstractPluginManager;
+use Zend\Stdlib\Exception;
+
+/**
+ * Plugin manager implementation for hydrators.
+ *
+ * Enforces that adapters retrieved are instances of HydratorInterface
+ */
+class HydratorPluginManager extends AbstractPluginManager
+{
+    /**
+     * Whether or not to share by default
+     *
+     * @var bool
+     */
+    protected $shareByDefault = false;
+
+    /**
+     * Default aliases
+     *
+     * @var array
+     */
+    protected $aliases = array(
+        'delegatinghydrator' => 'Zend\Stdlib\Hydrator\DelegatingHydrator',
+    );
+
+    /**
+     * Default set of adapters
+     *
+     * @var array
+     */
+    protected $invokableClasses = array(
+        'arrayserializable' => 'Zend\Stdlib\Hydrator\ArraySerializable',
+        'classmethods'      => 'Zend\Stdlib\Hydrator\ClassMethods',
+        'objectproperty'    => 'Zend\Stdlib\Hydrator\ObjectProperty',
+        'reflection'        => 'Zend\Stdlib\Hydrator\Reflection'
+    );
+
+    /**
+     * Default factory-based adapters
+     *
+     * @var array
+     */
+    protected $factories = array(
+        'Zend\Stdlib\Hydrator\DelegatingHydrator' => 'Zend\Stdlib\Hydrator\DelegatingHydratorFactory',
+    );
+
+    /**
+     * {@inheritDoc}
+     */
+    public function validatePlugin($plugin)
+    {
+        if ($plugin instanceof HydratorInterface) {
+            // we're okay
+            return;
+        }
+
+        throw new Exception\RuntimeException(sprintf(
+            'Plugin of type %s is invalid; must implement Zend\Stdlib\Hydrator\HydratorInterface',
+            (is_object($plugin) ? get_class($plugin) : gettype($plugin))
+        ));
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/NamingStrategy/ArrayMapNamingStrategy.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\NamingStrategy;
+
+final class ArrayMapNamingStrategy implements NamingStrategyInterface
+{
+    /**
+     * @var string[]
+     */
+    private $extractionMap = array();
+
+    /**
+     * @var string[]
+     */
+    private $hydrationMap = array();
+
+    /**
+     * Constructor
+     *
+     * @param array $extractionMap A map of string keys and values for symmetric translation of hydrated
+     *                             and extracted field names
+     */
+    public function __construct(array $extractionMap)
+    {
+        $this->extractionMap = $extractionMap;
+        $this->hydrationMap  = array_flip($extractionMap);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate($name)
+    {
+        return isset($this->hydrationMap[$name]) ? $this->hydrationMap[$name] : $name;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function extract($name)
+    {
+        return isset($this->extractionMap[$name]) ? $this->extractionMap[$name] : $name;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/NamingStrategy/CompositeNamingStrategy.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\NamingStrategy;
+
+final class CompositeNamingStrategy implements NamingStrategyInterface
+{
+    /**
+     * @var array
+     */
+    private $namingStrategies = array();
+
+    /**
+     * @var NamingStrategyInterface
+     */
+    private $defaultNamingStrategy;
+
+    /**
+     * @param NamingStrategyInterface[]    $strategies            indexed by the name they translate
+     * @param NamingStrategyInterface|null $defaultNamingStrategy
+     */
+    public function __construct(array $strategies, NamingStrategyInterface $defaultNamingStrategy = null)
+    {
+        $this->namingStrategies = array_map(
+            function (NamingStrategyInterface $strategy) {
+                // this callback is here only to ensure type-safety
+                return $strategy;
+            },
+            $strategies
+        );
+
+        $this->defaultNamingStrategy = $defaultNamingStrategy ?: new IdentityNamingStrategy();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function extract($name)
+    {
+        $strategy = isset($this->namingStrategies[$name])
+            ? $this->namingStrategies[$name]
+            : $this->defaultNamingStrategy;
+
+        return $strategy->extract($name);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate($name)
+    {
+        $strategy = isset($this->namingStrategies[$name])
+            ? $this->namingStrategies[$name]
+            : $this->defaultNamingStrategy;
+
+        return $strategy->hydrate($name);
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/NamingStrategy/IdentityNamingStrategy.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\NamingStrategy;
+
+final class IdentityNamingStrategy implements NamingStrategyInterface
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate($name)
+    {
+        return $name;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function extract($name)
+    {
+        return $name;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/NamingStrategy/MapNamingStrategy.php

@@ -0,0 +1,89 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\NamingStrategy;
+
+use Zend\Stdlib\Exception\InvalidArgumentException;
+
+class MapNamingStrategy implements NamingStrategyInterface
+{
+    /**
+     * Map for hydrate name conversion.
+     *
+     * @var array
+     */
+    protected $mapping = array();
+
+    /**
+     * Reversed map for extract name conversion.
+     *
+     * @var array
+     */
+    protected $reverse = array();
+
+    /**
+     * Initialize.
+     *
+     * @param array $mapping Map for name conversion on hydration
+     * @param array $reverse Reverse map for name conversion on extraction
+     */
+    public function __construct(array $mapping, array $reverse = null)
+    {
+        $this->mapping = $mapping;
+        $this->reverse = $reverse ?: $this->flipMapping($mapping);
+    }
+
+    /**
+     * Safelly flip mapping array.
+     *
+     * @param  array                    $array Array to flip
+     * @return array                    Flipped array
+     * @throws InvalidArgumentException
+     */
+    protected function flipMapping(array $array)
+    {
+        array_walk($array, function ($value) {
+            if (!is_string($value) && !is_int($value)) {
+                throw new InvalidArgumentException('Mapping array can\'t be flipped because of invalid value');
+            }
+        });
+
+        return array_flip($array);
+    }
+
+    /**
+     * Converts the given name so that it can be extracted by the hydrator.
+     *
+     * @param  string $name The original name
+     * @return mixed  The hydrated name
+     */
+    public function hydrate($name)
+    {
+        if (array_key_exists($name, $this->mapping)) {
+            return $this->mapping[$name];
+        }
+
+        return $name;
+    }
+
+    /**
+     * Converts the given name so that it can be hydrated by the hydrator.
+     *
+     * @param  string $name The original name
+     * @return mixed  The extracted name
+     */
+    public function extract($name)
+    {
+        if (array_key_exists($name, $this->reverse)) {
+            return $this->reverse[$name];
+        }
+
+        return $name;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/NamingStrategy/NamingStrategyInterface.php

@@ -0,0 +1,37 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\NamingStrategy;
+
+/**
+ * Allow property extraction / hydration for hydrator
+ *
+ * Interface PropertyStrategyInterface
+ * @package Zend\Stdlib\Hydrator\NamingStrategy
+ */
+interface NamingStrategyInterface
+{
+    /**
+     * Converts the given name so that it can be extracted by the hydrator.
+     *
+     * @param string $name   The original name
+     * @param object $object (optional) The original object for context.
+     * @return mixed         The hydrated name
+     */
+    public function hydrate($name);
+
+    /**
+     * Converts the given name so that it can be hydrated by the hydrator.
+     *
+     * @param string $name The original name
+     * @param array  $data (optional) The original data for context.
+     * @return mixed The extracted name
+     */
+    public function extract($name);
+}

core/vendor/zendframework/zend-stdlib/Hydrator/NamingStrategy/UnderscoreNamingStrategy.php

@@ -0,0 +1,80 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\NamingStrategy;
+
+use Zend\Filter\FilterChain;
+
+class UnderscoreNamingStrategy implements NamingStrategyInterface
+{
+    /**
+     * @var FilterChain|null
+     */
+    protected static $camelCaseToUnderscoreFilter;
+
+    /**
+     * @var FilterChain|null
+     */
+    protected static $underscoreToStudlyCaseFilter;
+
+    /**
+     * Remove underscores and capitalize letters
+     *
+     * @param  string $name
+     * @return string
+     */
+    public function hydrate($name)
+    {
+        return $this->getUnderscoreToStudlyCaseFilter()->filter($name);
+    }
+
+    /**
+     * Remove capitalized letters and prepend underscores.
+     *
+     * @param  string $name
+     * @return string
+     */
+    public function extract($name)
+    {
+        return $this->getCamelCaseToUnderscoreFilter()->filter($name);
+    }
+
+    /**
+     * @return FilterChain
+     */
+    protected function getUnderscoreToStudlyCaseFilter()
+    {
+        if (static::$underscoreToStudlyCaseFilter instanceof FilterChain) {
+            return static::$underscoreToStudlyCaseFilter;
+        }
+
+        $filter = new FilterChain();
+
+        $filter->attachByName('WordUnderscoreToStudlyCase');
+
+        return static::$underscoreToStudlyCaseFilter = $filter;
+    }
+
+    /**
+     * @return FilterChain
+     */
+    protected function getCamelCaseToUnderscoreFilter()
+    {
+        if (static::$camelCaseToUnderscoreFilter instanceof FilterChain) {
+            return static::$camelCaseToUnderscoreFilter;
+        }
+
+        $filter = new FilterChain();
+
+        $filter->attachByName('WordCamelCaseToUnderscore');
+        $filter->attachByName('StringToLower');
+
+        return static::$camelCaseToUnderscoreFilter = $filter;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/NamingStrategyEnabledInterface.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\Stdlib\Hydrator\NamingStrategy\NamingStrategyInterface;
+
+interface NamingStrategyEnabledInterface
+{
+    /**
+     * Adds the given naming strategy
+     *
+     * @param NamingStrategyInterface $strategy The naming to register.
+     * @return NamingStrategyEnabledInterface
+     */
+    public function setNamingStrategy(NamingStrategyInterface $strategy);
+
+    /**
+     * Gets the naming strategy.
+     *
+     * @return NamingStrategyInterface
+     */
+    public function getNamingStrategy();
+
+    /**
+     * Checks if a naming strategy exists.
+     *
+     * @return bool
+     */
+    public function hasNamingStrategy();
+
+    /**
+     * Removes the naming with the given name.
+     *
+     * @return NamingStrategyEnabledInterface
+     */
+    public function removeNamingStrategy();
+}

core/vendor/zendframework/zend-stdlib/Hydrator/ObjectProperty.php

@@ -0,0 +1,110 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\Stdlib\Exception;
+use ReflectionClass;
+use ReflectionProperty;
+
+class ObjectProperty extends AbstractHydrator
+{
+    /**
+     * @var array[] indexed by class name and then property name
+     */
+    private static $skippedPropertiesCache = array();
+
+    /**
+     * {@inheritDoc}
+     *
+     * Extracts the accessible non-static properties of the given $object.
+     *
+     * @throws Exception\BadMethodCallException for a non-object $object
+     */
+    public function extract($object)
+    {
+        if (!is_object($object)) {
+            throw new Exception\BadMethodCallException(
+                sprintf('%s expects the provided $object to be a PHP object)', __METHOD__)
+            );
+        }
+
+        $data   = get_object_vars($object);
+        $filter = $this->getFilter();
+
+        foreach ($data as $name => $value) {
+            // Filter keys, removing any we don't want
+            if (! $filter->filter($name)) {
+                unset($data[$name]);
+                continue;
+            }
+
+            // Replace name if extracted differ
+            $extracted = $this->extractName($name, $object);
+
+            if ($extracted !== $name) {
+                unset($data[$name]);
+                $name = $extracted;
+            }
+
+            $data[$name] = $this->extractValue($name, $value, $object);
+        }
+
+        return $data;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * Hydrate an object by populating public properties
+     *
+     * Hydrates an object by setting public properties of the object.
+     *
+     * @throws Exception\BadMethodCallException for a non-object $object
+     */
+    public function hydrate(array $data, $object)
+    {
+        if (!is_object($object)) {
+            throw new Exception\BadMethodCallException(
+                sprintf('%s expects the provided $object to be a PHP object)', __METHOD__)
+            );
+        }
+
+        $properties = & self::$skippedPropertiesCache[get_class($object)];
+
+        if (! isset($properties)) {
+            $reflection = new ReflectionClass($object);
+            $properties = array_fill_keys(
+                array_map(
+                    function (ReflectionProperty $property) {
+                        return $property->getName();
+                    },
+                    $reflection->getProperties(
+                        ReflectionProperty::IS_PRIVATE
+                        + ReflectionProperty::IS_PROTECTED
+                        + ReflectionProperty::IS_STATIC
+                    )
+                ),
+                true
+            );
+        }
+
+        foreach ($data as $name => $value) {
+            $property = $this->hydrateName($name, $data);
+
+            if (isset($properties[$property])) {
+                continue;
+            }
+
+            $object->$property = $this->hydrateValue($property, $value, $data);
+        }
+
+        return $object;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Reflection.php

@@ -0,0 +1,95 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use ReflectionClass;
+use Zend\Stdlib\Exception;
+
+class Reflection extends AbstractHydrator
+{
+    /**
+     * Simple in-memory array cache of ReflectionProperties used.
+     * @var \ReflectionProperty[]
+     */
+    protected static $reflProperties = array();
+
+    /**
+     * Extract values from an object
+     *
+     * @param  object $object
+     * @return array
+     */
+    public function extract($object)
+    {
+        $result = array();
+        foreach (self::getReflProperties($object) as $property) {
+            $propertyName = $this->extractName($property->getName(), $object);
+            if (!$this->filterComposite->filter($propertyName)) {
+                continue;
+            }
+
+            $value = $property->getValue($object);
+            $result[$propertyName] = $this->extractValue($propertyName, $value, $object);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Hydrate $object with the provided $data.
+     *
+     * @param  array $data
+     * @param  object $object
+     * @return object
+     */
+    public function hydrate(array $data, $object)
+    {
+        $reflProperties = self::getReflProperties($object);
+        foreach ($data as $key => $value) {
+            $name = $this->hydrateName($key, $data);
+            if (isset($reflProperties[$name])) {
+                $reflProperties[$name]->setValue($object, $this->hydrateValue($name, $value, $data));
+            }
+        }
+        return $object;
+    }
+
+    /**
+     * Get a reflection properties from in-memory cache and lazy-load if
+     * class has not been loaded.
+     *
+     * @param  string|object $input
+     * @throws Exception\InvalidArgumentException
+     * @return \ReflectionProperty[]
+     */
+    protected static function getReflProperties($input)
+    {
+        if (is_object($input)) {
+            $input = get_class($input);
+        } elseif (!is_string($input)) {
+            throw new Exception\InvalidArgumentException('Input must be a string or an object.');
+        }
+
+        if (isset(static::$reflProperties[$input])) {
+            return static::$reflProperties[$input];
+        }
+
+        static::$reflProperties[$input] = array();
+        $reflClass                      = new ReflectionClass($input);
+        $reflProperties                 = $reflClass->getProperties();
+
+        foreach ($reflProperties as $property) {
+            $property->setAccessible(true);
+            static::$reflProperties[$input][$property->getName()] = $property;
+        }
+
+        return static::$reflProperties[$input];
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/BooleanStrategy.php

@@ -0,0 +1,106 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy;
+
+use Zend\Stdlib\Exception\InvalidArgumentException;
+
+/**
+ * This Strategy extracts and hydrates int and string values to Boolean values
+ *
+ * @package Zend\Stdlib\Hydrator\Strategy
+ */
+final class BooleanStrategy implements StrategyInterface
+{
+    /**
+     * @var int|string
+     */
+    private $trueValue;
+
+    /**
+     * @var int|string
+     */
+    private $falseValue;
+
+    /**
+     * @param int|string $trueValue
+     * @param int|string $falseValue
+     * @throws InvalidArgumentException
+     */
+    public function __construct($trueValue, $falseValue)
+    {
+        if (!is_int($trueValue) && !is_string($trueValue)) {
+            throw new InvalidArgumentException(sprintf(
+                'Unable to instantiate BooleanStrategy. Expected int or string as $trueValue. %s was given',
+                is_object($trueValue) ? get_class($trueValue) : gettype($trueValue)
+            ));
+        }
+
+        if (!is_int($falseValue) && !is_string($falseValue)) {
+            throw new InvalidArgumentException(sprintf(
+                'Unable to instantiate BooleanStrategy. Expected int or string as $falseValue. %s was given',
+                is_object($falseValue) ? get_class($falseValue) : gettype($falseValue)
+            ));
+        }
+
+        $this->trueValue  = $trueValue;
+        $this->falseValue = $falseValue;
+    }
+
+    /**
+     * Converts the given value so that it can be extracted by the hydrator.
+     *
+     * @param  bool $value The original value.
+     * @throws InvalidArgumentException
+     * @return int|string Returns the value that should be extracted.
+     */
+    public function extract($value)
+    {
+        if (!is_bool($value)) {
+            throw new InvalidArgumentException(sprintf(
+                'Unable to extract. Expected bool. %s was given.',
+                is_object($value) ? get_class($value) : gettype($value)
+            ));
+        }
+
+        return $value === true ? $this->trueValue : $this->falseValue;
+    }
+
+    /**
+     * Converts the given value so that it can be hydrated by the hydrator.
+     *
+     * @param  int|string $value The original value.
+     * @throws InvalidArgumentException
+     * @return bool Returns the value that should be hydrated.
+     */
+    public function hydrate($value)
+    {
+        if (!is_string($value) && !is_int($value)) {
+            throw new InvalidArgumentException(sprintf(
+                'Unable to hydrate. Expected string or int. %s was given.',
+                is_object($value) ? get_class($value) : gettype($value)
+            ));
+        }
+
+        if ($value === $this->trueValue) {
+            return true;
+        }
+
+        if ($value === $this->falseValue) {
+            return false;
+        }
+
+        throw new InvalidArgumentException(sprintf(
+            'Unexpected value %s can\'t be hydrated. Expect %s or %s as Value.',
+            $value,
+            $this->trueValue,
+            $this->falseValue
+        ));
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/ClosureStrategy.php

@@ -0,0 +1,102 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy;
+
+class ClosureStrategy implements StrategyInterface
+{
+    /**
+     * Function, used in extract method, default:
+     * function ($value) {
+     *     return $value;
+     * };
+     * @var callable
+     */
+    protected $extractFunc = null;
+
+    /**
+     * Function, used in hydrate method, default:
+     * function ($value) {
+     *     return $value;
+     * };
+     * @var callable
+     */
+    protected $hydrateFunc = null;
+
+    /**
+     * You can describe how your values will extract and hydrate, like this:
+     * $hydrator->addStrategy('category', new ClosureStrategy(
+     *     function (Category $value) {
+     *         return (int) $value->id;
+     *     },
+     *     function ($value) {
+     *         return new Category((int) $value);
+     *     }
+     * ));
+     *
+     * @param callable $extractFunc - anonymous function, that extract values
+     * from object
+     * @param callable $hydrateFunc - anonymous function, that hydrate values
+     * into object
+     */
+    public function __construct($extractFunc = null, $hydrateFunc = null)
+    {
+        if (isset($extractFunc)) {
+            if (!is_callable($extractFunc)) {
+                throw new \Exception('$extractFunc must be callable');
+            }
+
+            $this->extractFunc = $extractFunc;
+        } else {
+            $this->extractFunc = function ($value) {
+                return $value;
+            };
+        }
+
+        if (isset($hydrateFunc)) {
+            if (!is_callable($hydrateFunc)) {
+                throw new \Exception('$hydrateFunc must be callable');
+            }
+
+            $this->hydrateFunc = $hydrateFunc;
+        } else {
+            $this->hydrateFunc = function ($value) {
+                return $value;
+            };
+        }
+    }
+
+    /**
+     * Converts the given value so that it can be extracted by the hydrator.
+     *
+     * @param  mixed $value  The original value.
+     * @param  array $object The object is optionally provided as context.
+     * @return mixed Returns the value that should be extracted.
+     */
+    public function extract($value, $object = null)
+    {
+        $func = $this->extractFunc;
+
+        return $func($value, $object);
+    }
+
+    /**
+     * Converts the given value so that it can be hydrated by the hydrator.
+     *
+     * @param  mixed $value The original value.
+     * @param  array $data  The whole data is optionally provided as context.
+     * @return mixed Returns the value that should be hydrated.
+     */
+    public function hydrate($value, $data = null)
+    {
+        $func = $this->hydrateFunc;
+
+        return $func($value, $data);
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/DateTimeFormatterStrategy.php

@@ -0,0 +1,80 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy;
+
+use DateTime;
+use DateTimeZone;
+
+final class DateTimeFormatterStrategy implements StrategyInterface
+{
+    /**
+     * @var string
+     */
+    private $format;
+
+    /**
+     * @var DateTimeZone|null
+     */
+    private $timezone;
+
+    /**
+     * Constructor
+     *
+     * @param string            $format
+     * @param DateTimeZone|null $timezone
+     */
+    public function __construct($format = DateTime::RFC3339, DateTimeZone $timezone = null)
+    {
+        $this->format   = (string) $format;
+        $this->timezone = $timezone;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * Converts to date time string
+     *
+     * @param mixed|DateTime $value
+     *
+     * @return mixed|string
+     */
+    public function extract($value)
+    {
+        if ($value instanceof DateTime) {
+            return $value->format($this->format);
+        }
+
+        return $value;
+    }
+
+    /**
+     * Converts date time string to DateTime instance for injecting to object
+     *
+     * {@inheritDoc}
+     *
+     * @param mixed|string $value
+     *
+     * @return mixed|DateTime
+     */
+    public function hydrate($value)
+    {
+        if ($value === '' || $value === null) {
+            return;
+        }
+
+        if ($this->timezone) {
+            $hydrated = DateTime::createFromFormat($this->format, $value, $this->timezone);
+        } else {
+            $hydrated = DateTime::createFromFormat($this->format, $value);
+        }
+
+        return $hydrated ?: $value;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/DefaultStrategy.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy;
+
+class DefaultStrategy implements StrategyInterface
+{
+    /**
+     * Converts the given value so that it can be extracted by the hydrator.
+     *
+     * @param mixed $value The original value.
+     * @return mixed Returns the value that should be extracted.
+     */
+    public function extract($value)
+    {
+        return $value;
+    }
+
+    /**
+     * Converts the given value so that it can be hydrated by the hydrator.
+     *
+     * @param mixed $value The original value.
+     * @return mixed Returns the value that should be hydrated.
+     */
+    public function hydrate($value)
+    {
+        return $value;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/Exception/ExceptionInterface.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy\Exception;
+
+interface ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/Exception/InvalidArgumentException.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy\Exception;
+
+class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/ExplodeStrategy.php

@@ -0,0 +1,113 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy;
+
+final class ExplodeStrategy implements StrategyInterface
+{
+    /**
+     * @var string
+     */
+    private $valueDelimiter;
+
+    /**
+     * @var int|null
+     */
+    private $explodeLimit;
+
+    /**
+     * Constructor
+     *
+     * @param string   $delimiter    String that the values will be split upon
+     * @param int|null $explodeLimit Explode limit
+     */
+    public function __construct($delimiter = ',', $explodeLimit = null)
+    {
+        $this->setValueDelimiter($delimiter);
+
+        $this->explodeLimit = ($explodeLimit === null) ? null : (int) $explodeLimit;
+    }
+
+    /**
+     * Sets the delimiter string that the values will be split upon
+     *
+     * @param  string $delimiter
+     * @return self
+     */
+    private function setValueDelimiter($delimiter)
+    {
+        if (!is_string($delimiter)) {
+            throw new Exception\InvalidArgumentException(sprintf(
+                '%s expects Delimiter to be string, %s provided instead',
+                __METHOD__,
+                is_object($delimiter) ? get_class($delimiter) : gettype($delimiter)
+            ));
+        }
+
+        if (empty($delimiter)) {
+            throw new Exception\InvalidArgumentException('Delimiter cannot be empty.');
+        }
+
+        $this->valueDelimiter = $delimiter;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * Split a string by delimiter
+     *
+     * @param string|null $value
+     *
+     * @return string[]
+     *
+     * @throws Exception\InvalidArgumentException
+     */
+    public function hydrate($value)
+    {
+        if (null === $value) {
+            return array();
+        }
+
+        if (!(is_string($value) || is_numeric($value))) {
+            throw new Exception\InvalidArgumentException(sprintf(
+                '%s expects argument 1 to be string, %s provided instead',
+                __METHOD__,
+                is_object($value) ? get_class($value) : gettype($value)
+            ));
+        }
+
+        if ($this->explodeLimit !== null) {
+            return explode($this->valueDelimiter, $value, $this->explodeLimit);
+        }
+
+        return explode($this->valueDelimiter, $value);
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * Join array elements with delimiter
+     *
+     * @param string[] $value The original value.
+     *
+     * @return string|null
+     */
+    public function extract($value)
+    {
+        if (!is_array($value)) {
+            throw new Exception\InvalidArgumentException(sprintf(
+                '%s expects argument 1 to be array, %s provided instead',
+                __METHOD__,
+                is_object($value) ? get_class($value) : gettype($value)
+            ));
+        }
+
+        return empty($value) ? null : implode($this->valueDelimiter, $value);
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/SerializableStrategy.php

@@ -0,0 +1,123 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy;
+
+use Zend\Stdlib\Exception\InvalidArgumentException;
+use Zend\Serializer\Adapter\AdapterInterface as SerializerAdapter;
+use Zend\Serializer\Serializer as SerializerFactory;
+
+class SerializableStrategy implements StrategyInterface
+{
+    /**
+     * @var string|SerializerAdapter
+     */
+    protected $serializer;
+
+    /**
+     * @var array
+     */
+    protected $serializerOptions = array();
+
+    /**
+     *
+     * @param mixed $serializer string or SerializerAdapter
+     * @param mixed $serializerOptions
+     */
+    public function __construct($serializer, $serializerOptions = null)
+    {
+        $this->setSerializer($serializer);
+        if ($serializerOptions) {
+            $this->setSerializerOptions($serializerOptions);
+        }
+    }
+
+    /**
+     * Serialize the given value so that it can be extracted by the hydrator.
+     *
+     * @param mixed $value The original value.
+     * @return mixed Returns the value that should be extracted.
+     */
+    public function extract($value)
+    {
+        $serializer = $this->getSerializer();
+        return $serializer->serialize($value);
+    }
+
+    /**
+     * Unserialize the given value so that it can be hydrated by the hydrator.
+     *
+     * @param mixed $value The original value.
+     * @return mixed Returns the value that should be hydrated.
+     */
+    public function hydrate($value)
+    {
+        $serializer = $this->getSerializer();
+        return $serializer->unserialize($value);
+    }
+
+    /**
+     * Set serializer
+     *
+     * @param  string|SerializerAdapter $serializer
+     * @return SerializableStrategy
+     */
+    public function setSerializer($serializer)
+    {
+        if (!is_string($serializer) && !$serializer instanceof SerializerAdapter) {
+            throw new InvalidArgumentException(sprintf(
+                '%s expects either a string serializer name or Zend\Serializer\Adapter\AdapterInterface instance; '
+                . 'received "%s"',
+                __METHOD__,
+                (is_object($serializer) ? get_class($serializer) : gettype($serializer))
+            ));
+        }
+        $this->serializer = $serializer;
+        return $this;
+    }
+
+    /**
+     * Get serializer
+     *
+     * @return SerializerAdapter
+     */
+    public function getSerializer()
+    {
+        if (is_string($this->serializer)) {
+            $options = $this->getSerializerOptions();
+            $this->setSerializer(SerializerFactory::factory($this->serializer, $options));
+        } elseif (null === $this->serializer) {
+            $this->setSerializer(SerializerFactory::getDefaultAdapter());
+        }
+
+        return $this->serializer;
+    }
+
+    /**
+     * Set configuration options for instantiating a serializer adapter
+     *
+     * @param  mixed $serializerOptions
+     * @return SerializableStrategy
+     */
+    public function setSerializerOptions($serializerOptions)
+    {
+        $this->serializerOptions = $serializerOptions;
+        return $this;
+    }
+
+    /**
+     * Get configuration options for instantiating a serializer adapter
+     *
+     * @return mixed
+     */
+    public function getSerializerOptions()
+    {
+        return $this->serializerOptions;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/StrategyChain.php

@@ -0,0 +1,73 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy;
+
+use Traversable;
+use Zend\Stdlib\ArrayUtils;
+
+final class StrategyChain implements StrategyInterface
+{
+    /**
+     * Strategy chain for extraction
+     *
+     * @var StrategyInterface[]
+     */
+    private $extractionStrategies;
+
+    /**
+     * Strategy chain for hydration
+     *
+     * @var StrategyInterface[]
+     */
+    private $hydrationStrategies;
+
+    /**
+     * Constructor
+     *
+     * @param array|Traversable $extractionStrategies
+     */
+    public function __construct($extractionStrategies)
+    {
+        $extractionStrategies = ArrayUtils::iteratorToArray($extractionStrategies);
+        $this->extractionStrategies = array_map(
+            function (StrategyInterface $strategy) {
+                // this callback is here only to ensure type-safety
+                return $strategy;
+            },
+            $extractionStrategies
+        );
+
+        $this->hydrationStrategies = array_reverse($extractionStrategies);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function extract($value)
+    {
+        foreach ($this->extractionStrategies as $strategy) {
+            $value = $strategy->extract($value);
+        }
+
+        return $value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function hydrate($value)
+    {
+        foreach ($this->hydrationStrategies as $strategy) {
+            $value = $strategy->hydrate($value);
+        }
+
+        return $value;
+    }
+}

core/vendor/zendframework/zend-stdlib/Hydrator/Strategy/StrategyInterface.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator\Strategy;
+
+/**
+ * @todo v3.0, add optional object/data to extract/hydrate.
+ */
+interface StrategyInterface
+{
+    /**
+     * Converts the given value so that it can be extracted by the hydrator.
+     *
+     * @param mixed   $value The original value.
+     * @param object $object (optional) The original object for context.
+     * @return mixed Returns the value that should be extracted.
+     */
+    public function extract($value);
+
+    /**
+     * Converts the given value so that it can be hydrated by the hydrator.
+     *
+     * @param mixed $value The original value.
+     * @param array  $data (optional) The original data for context.
+     * @return mixed Returns the value that should be hydrated.
+     */
+    public function hydrate($value);
+}

core/vendor/zendframework/zend-stdlib/Hydrator/StrategyEnabledInterface.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\Hydrator;
+
+use Zend\Stdlib\Hydrator\Strategy\StrategyInterface;
+
+interface StrategyEnabledInterface
+{
+    /**
+     * Adds the given strategy under the given name.
+     *
+     * @param string $name The name of the strategy to register.
+     * @param StrategyInterface $strategy The strategy to register.
+     * @return StrategyEnabledInterface
+     */
+    public function addStrategy($name, StrategyInterface $strategy);
+
+    /**
+     * Gets the strategy with the given name.
+     *
+     * @param string $name The name of the strategy to get.
+     * @return StrategyInterface
+     */
+    public function getStrategy($name);
+
+    /**
+     * Checks if the strategy with the given name exists.
+     *
+     * @param string $name The name of the strategy to check for.
+     * @return bool
+     */
+    public function hasStrategy($name);
+
+    /**
+     * Removes the strategy with the given name.
+     *
+     * @param string $name The name of the strategy to remove.
+     * @return StrategyEnabledInterface
+     */
+    public function removeStrategy($name);
+}

core/vendor/zendframework/zend-stdlib/InitializableInterface.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+/**
+ * Interface to allow objects to have initialization logic
+ */
+interface InitializableInterface
+{
+    /**
+     * Init an object
+     *
+     * @return void
+     */
+    public function init();
+}

core/vendor/zendframework/zend-stdlib/JsonSerializable.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+if (PHP_VERSION_ID < 50400) {
+    class_alias(
+        'Zend\Stdlib\JsonSerializable\PhpLegacyCompatibility',
+        'JsonSerializable'
+    );
+}
+
+/**
+ * Polyfill for JsonSerializable
+ *
+ * JsonSerializable was introduced in PHP 5.4.0.
+ *
+ * @see http://php.net/manual/class.jsonserializable.php
+ */
+interface JsonSerializable extends \JsonSerializable
+{
+}

core/vendor/zendframework/zend-stdlib/JsonSerializable/PhpLegacyCompatibility.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\JsonSerializable;
+
+/**
+ * Interface compatible with the built-in JsonSerializable interface
+ *
+ * JsonSerializable was introduced in PHP 5.4.0.
+ *
+ * @see http://php.net/manual/class.jsonserializable.php
+ */
+interface PhpLegacyCompatibility
+{
+    /**
+     * Returns data which can be serialized by json_encode().
+     *
+     * @return mixed
+     * @see    http://php.net/manual/jsonserializable.jsonserialize.php
+     */
+    public function jsonSerialize();
+}

core/vendor/zendframework/zend-stdlib/Message.php

@@ -0,0 +1,118 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Traversable;
+
+class Message implements MessageInterface
+{
+    /**
+     * @var array
+     */
+    protected $metadata = array();
+
+    /**
+     * @var string
+     */
+    protected $content = '';
+
+    /**
+     * Set message metadata
+     *
+     * Non-destructive setting of message metadata; always adds to the metadata, never overwrites
+     * the entire metadata container.
+     *
+     * @param  string|int|array|Traversable $spec
+     * @param  mixed $value
+     * @throws Exception\InvalidArgumentException
+     * @return Message
+     */
+    public function setMetadata($spec, $value = null)
+    {
+        if (is_scalar($spec)) {
+            $this->metadata[$spec] = $value;
+            return $this;
+        }
+        if (!is_array($spec) && !$spec instanceof Traversable) {
+            throw new Exception\InvalidArgumentException(sprintf(
+                'Expected a string, array, or Traversable argument in first position; received "%s"',
+                (is_object($spec) ? get_class($spec) : gettype($spec))
+            ));
+        }
+        foreach ($spec as $key => $value) {
+            $this->metadata[$key] = $value;
+        }
+        return $this;
+    }
+
+    /**
+     * Retrieve all metadata or a single metadatum as specified by key
+     *
+     * @param  null|string|int $key
+     * @param  null|mixed $default
+     * @throws Exception\InvalidArgumentException
+     * @return mixed
+     */
+    public function getMetadata($key = null, $default = null)
+    {
+        if (null === $key) {
+            return $this->metadata;
+        }
+
+        if (!is_scalar($key)) {
+            throw new Exception\InvalidArgumentException('Non-scalar argument provided for key');
+        }
+
+        if (array_key_exists($key, $this->metadata)) {
+            return $this->metadata[$key];
+        }
+
+        return $default;
+    }
+
+    /**
+     * Set message content
+     *
+     * @param  mixed $value
+     * @return Message
+     */
+    public function setContent($value)
+    {
+        $this->content = $value;
+        return $this;
+    }
+
+    /**
+     * Get message content
+     *
+     * @return mixed
+     */
+    public function getContent()
+    {
+        return $this->content;
+    }
+
+    /**
+     * @return string
+     */
+    public function toString()
+    {
+        $request = '';
+        foreach ($this->getMetadata() as $key => $value) {
+            $request .= sprintf(
+                "%s: %s\r\n",
+                (string) $key,
+                (string) $value
+            );
+        }
+        $request .= "\r\n" . $this->getContent();
+        return $request;
+    }
+}

core/vendor/zendframework/zend-stdlib/MessageInterface.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+interface MessageInterface
+{
+    /**
+     * Set metadata
+     *
+     * @param  string|int|array|\Traversable $spec
+     * @param  mixed $value
+     */
+    public function setMetadata($spec, $value = null);
+
+    /**
+     * Get metadata
+     *
+     * @param  null|string|int $key
+     * @return mixed
+     */
+    public function getMetadata($key = null);
+
+    /**
+     * Set content
+     *
+     * @param  mixed $content
+     * @return mixed
+     */
+    public function setContent($content);
+
+    /**
+     * Get content
+     *
+     * @return mixed
+     */
+    public function getContent();
+}

core/vendor/zendframework/zend-stdlib/ParameterObjectInterface.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+interface ParameterObjectInterface
+{
+    /**
+     * @param string $key
+     * @param mixed $value
+     * @return void
+     */
+    public function __set($key, $value);
+
+    /**
+     * @param string $key
+     * @return mixed
+     */
+    public function __get($key);
+
+    /**
+     * @param string $key
+     * @return bool
+     */
+    public function __isset($key);
+
+    /**
+     * @param string $key
+     * @return void
+     */
+    public function __unset($key);
+}

core/vendor/zendframework/zend-stdlib/Parameters.php

@@ -0,0 +1,115 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use ArrayObject as PhpArrayObject;
+
+class Parameters extends PhpArrayObject implements ParametersInterface
+{
+    /**
+     * Constructor
+     *
+     * Enforces that we have an array, and enforces parameter access to array
+     * elements.
+     *
+     * @param  array $values
+     */
+    public function __construct(array $values = null)
+    {
+        if (null === $values) {
+            $values = array();
+        }
+        parent::__construct($values, ArrayObject::ARRAY_AS_PROPS);
+    }
+
+    /**
+     * Populate from native PHP array
+     *
+     * @param  array $values
+     * @return void
+     */
+    public function fromArray(array $values)
+    {
+        $this->exchangeArray($values);
+    }
+
+    /**
+     * Populate from query string
+     *
+     * @param  string $string
+     * @return void
+     */
+    public function fromString($string)
+    {
+        $array = array();
+        parse_str($string, $array);
+        $this->fromArray($array);
+    }
+
+    /**
+     * Serialize to native PHP array
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        return $this->getArrayCopy();
+    }
+
+    /**
+     * Serialize to query string
+     *
+     * @return string
+     */
+    public function toString()
+    {
+        return http_build_query($this);
+    }
+
+    /**
+     * Retrieve by key
+     *
+     * Returns null if the key does not exist.
+     *
+     * @param  string $name
+     * @return mixed
+     */
+    public function offsetGet($name)
+    {
+        if ($this->offsetExists($name)) {
+            return parent::offsetGet($name);
+        }
+        return;
+    }
+
+    /**
+     * @param string $name
+     * @param mixed $default optional default value
+     * @return mixed
+     */
+    public function get($name, $default = null)
+    {
+        if ($this->offsetExists($name)) {
+            return parent::offsetGet($name);
+        }
+        return $default;
+    }
+
+    /**
+     * @param string $name
+     * @param mixed $value
+     * @return Parameters
+     */
+    public function set($name, $value)
+    {
+        $this[$name] = $value;
+        return $this;
+    }
+}

core/vendor/zendframework/zend-stdlib/ParametersInterface.php

@@ -0,0 +1,86 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use ArrayAccess;
+use Countable;
+use Serializable;
+use Traversable;
+
+/*
+ * Basically, an ArrayObject. You could simply define something like:
+ *     class QueryParams extends ArrayObject implements Parameters {}
+ * and have 90% of the functionality
+ */
+interface ParametersInterface extends ArrayAccess, Countable, Serializable, Traversable
+{
+    /**
+     * Constructor
+     *
+     * @param array $values
+     */
+    public function __construct(array $values = null);
+
+    /**
+     * From array
+     *
+     * Allow deserialization from standard array
+     *
+     * @param array $values
+     * @return mixed
+     */
+    public function fromArray(array $values);
+
+    /**
+     * From string
+     *
+     * Allow deserialization from raw body; e.g., for PUT requests
+     *
+     * @param $string
+     * @return mixed
+     */
+    public function fromString($string);
+
+    /**
+     * To array
+     *
+     * Allow serialization back to standard array
+     *
+     * @return mixed
+     */
+    public function toArray();
+
+    /**
+     * To string
+     *
+     * Allow serialization to query format; e.g., for PUT or POST requests
+     *
+     * @return mixed
+     */
+    public function toString();
+
+    /**
+     * Get
+     *
+     * @param string $name
+     * @param mixed|null $default
+     * @return mixed
+     */
+    public function get($name, $default = null);
+
+    /**
+     * Set
+     *
+     * @param string $name
+     * @param mixed $value
+     * @return ParametersInterface
+     */
+    public function set($name, $value);
+}

core/vendor/zendframework/zend-stdlib/PriorityList.php

@@ -0,0 +1,271 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Countable;
+use Iterator;
+
+class PriorityList implements Iterator, Countable
+{
+    const EXTR_DATA     = 0x00000001;
+    const EXTR_PRIORITY = 0x00000002;
+    const EXTR_BOTH     = 0x00000003;
+    /**
+     * Internal list of all items.
+     *
+     * @var array[]
+     */
+    protected $items = array();
+
+    /**
+     * Serial assigned to items to preserve LIFO.
+     *
+     * @var int
+     */
+    protected $serial = 0;
+
+    /**
+     * Serial order mode
+     * @var integer
+     */
+    protected $isLIFO = 1;
+
+    /**
+     * Internal counter to avoid usage of count().
+     *
+     * @var int
+     */
+    protected $count = 0;
+
+    /**
+     * Whether the list was already sorted.
+     *
+     * @var bool
+     */
+    protected $sorted = false;
+
+    /**
+     * Insert a new item.
+     *
+     * @param  string  $name
+     * @param  mixed   $value
+     * @param  int     $priority
+     *
+     * @return void
+     */
+    public function insert($name, $value, $priority = 0)
+    {
+        $this->sorted = false;
+        $this->count++;
+
+        $this->items[$name] = array(
+            'data'     => $value,
+            'priority' => (int) $priority,
+            'serial'   => $this->serial++,
+        );
+    }
+
+    /**
+     * @param string $name
+     * @param int    $priority
+     *
+     * @return $this
+     *
+     * @throws \Exception
+     */
+    public function setPriority($name, $priority)
+    {
+        if (!isset($this->items[$name])) {
+            throw new \Exception("item $name not found");
+        }
+
+        $this->items[$name]['priority'] = (int) $priority;
+        $this->sorted                   = false;
+
+        return $this;
+    }
+
+    /**
+     * Remove a item.
+     *
+     * @param  string $name
+     * @return void
+     */
+    public function remove($name)
+    {
+        if (isset($this->items[$name])) {
+            $this->count--;
+        }
+
+        unset($this->items[$name]);
+    }
+
+    /**
+     * Remove all items.
+     *
+     * @return void
+     */
+    public function clear()
+    {
+        $this->items  = array();
+        $this->serial = 0;
+        $this->count  = 0;
+        $this->sorted = false;
+    }
+
+    /**
+     * Get a item.
+     *
+     * @param  string $name
+     * @return mixed
+     */
+    public function get($name)
+    {
+        if (!isset($this->items[$name])) {
+            return;
+        }
+
+        return $this->items[$name]['data'];
+    }
+
+    /**
+     * Sort all items.
+     *
+     * @return void
+     */
+    protected function sort()
+    {
+        if (!$this->sorted) {
+            uasort($this->items, array($this, 'compare'));
+            $this->sorted = true;
+        }
+    }
+
+    /**
+     * Compare the priority of two items.
+     *
+     * @param  array $item1,
+     * @param  array $item2
+     * @return int
+     */
+    protected function compare(array $item1, array $item2)
+    {
+        return ($item1['priority'] === $item2['priority'])
+            ? ($item1['serial']   > $item2['serial']   ? -1 : 1) * $this->isLIFO
+            : ($item1['priority'] > $item2['priority'] ? -1 : 1);
+    }
+
+    /**
+     * Get/Set serial order mode
+     *
+     * @param bool|null $flag
+     *
+     * @return bool
+     */
+    public function isLIFO($flag = null)
+    {
+        if ($flag !== null) {
+            $isLifo = $flag === true ? 1 : -1;
+
+            if ($isLifo !== $this->isLIFO) {
+                $this->isLIFO = $isLifo;
+                $this->sorted = false;
+            }
+        }
+
+        return 1 === $this->isLIFO;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function rewind()
+    {
+        $this->sort();
+        reset($this->items);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function current()
+    {
+        $this->sorted || $this->sort();
+        $node = current($this->items);
+
+        return $node ? $node['data'] : false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function key()
+    {
+        $this->sorted || $this->sort();
+        return key($this->items);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function next()
+    {
+        $node = next($this->items);
+
+        return $node ? $node['data'] : false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function valid()
+    {
+        return current($this->items) !== false;
+    }
+
+    /**
+     * @return self
+     */
+    public function getIterator()
+    {
+        return clone $this;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function count()
+    {
+        return $this->count;
+    }
+
+    /**
+     * Return list as array
+     *
+     * @param int $flag
+     *
+     * @return array
+     */
+    public function toArray($flag = self::EXTR_DATA)
+    {
+        $this->sort();
+
+        if ($flag == self::EXTR_BOTH) {
+            return $this->items;
+        }
+
+        return array_map(
+            function ($item) use ($flag) {
+                return ($flag == PriorityList::EXTR_PRIORITY) ? $item['priority'] : $item['data'];
+            },
+            $this->items
+        );
+    }
+}

core/vendor/zendframework/zend-stdlib/PriorityQueue.php

@@ -0,0 +1,301 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Countable;
+use IteratorAggregate;
+use Serializable;
+
+/**
+ * Re-usable, serializable priority queue implementation
+ *
+ * SplPriorityQueue acts as a heap; on iteration, each item is removed from the
+ * queue. If you wish to re-use such a queue, you need to clone it first. This
+ * makes for some interesting issues if you wish to delete items from the queue,
+ * or, as already stated, iterate over it multiple times.
+ *
+ * This class aggregates items for the queue itself, but also composes an
+ * "inner" iterator in the form of an SplPriorityQueue object for performing
+ * the actual iteration.
+ */
+class PriorityQueue implements Countable, IteratorAggregate, Serializable
+{
+    const EXTR_DATA     = 0x00000001;
+    const EXTR_PRIORITY = 0x00000002;
+    const EXTR_BOTH     = 0x00000003;
+
+    /**
+     * Inner queue class to use for iteration
+     * @var string
+     */
+    protected $queueClass = 'Zend\Stdlib\SplPriorityQueue';
+
+    /**
+     * Actual items aggregated in the priority queue. Each item is an array
+     * with keys "data" and "priority".
+     * @var array
+     */
+    protected $items      = array();
+
+    /**
+     * Inner queue object
+     * @var SplPriorityQueue
+     */
+    protected $queue;
+
+    /**
+     * Insert an item into the queue
+     *
+     * Priority defaults to 1 (low priority) if none provided.
+     *
+     * @param  mixed $data
+     * @param  int $priority
+     * @return PriorityQueue
+     */
+    public function insert($data, $priority = 1)
+    {
+        $priority = (int) $priority;
+        $this->items[] = array(
+            'data'     => $data,
+            'priority' => $priority,
+        );
+        $this->getQueue()->insert($data, $priority);
+        return $this;
+    }
+
+    /**
+     * Remove an item from the queue
+     *
+     * This is different than {@link extract()}; its purpose is to dequeue an
+     * item.
+     *
+     * This operation is potentially expensive, as it requires
+     * re-initialization and re-population of the inner queue.
+     *
+     * Note: this removes the first item matching the provided item found. If
+     * the same item has been added multiple times, it will not remove other
+     * instances.
+     *
+     * @param  mixed $datum
+     * @return bool False if the item was not found, true otherwise.
+     */
+    public function remove($datum)
+    {
+        $found = false;
+        foreach ($this->items as $key => $item) {
+            if ($item['data'] === $datum) {
+                $found = true;
+                break;
+            }
+        }
+        if ($found) {
+            unset($this->items[$key]);
+            $this->queue = null;
+
+            if (!$this->isEmpty()) {
+                $queue = $this->getQueue();
+                foreach ($this->items as $item) {
+                    $queue->insert($item['data'], $item['priority']);
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Is the queue empty?
+     *
+     * @return bool
+     */
+    public function isEmpty()
+    {
+        return (0 === $this->count());
+    }
+
+    /**
+     * How many items are in the queue?
+     *
+     * @return int
+     */
+    public function count()
+    {
+        return count($this->items);
+    }
+
+    /**
+     * Peek at the top node in the queue, based on priority.
+     *
+     * @return mixed
+     */
+    public function top()
+    {
+        return $this->getIterator()->top();
+    }
+
+    /**
+     * Extract a node from the inner queue and sift up
+     *
+     * @return mixed
+     */
+    public function extract()
+    {
+        return $this->getQueue()->extract();
+    }
+
+    /**
+     * Retrieve the inner iterator
+     *
+     * SplPriorityQueue acts as a heap, which typically implies that as items
+     * are iterated, they are also removed. This does not work for situations
+     * where the queue may be iterated multiple times. As such, this class
+     * aggregates the values, and also injects an SplPriorityQueue. This method
+     * retrieves the inner queue object, and clones it for purposes of
+     * iteration.
+     *
+     * @return SplPriorityQueue
+     */
+    public function getIterator()
+    {
+        $queue = $this->getQueue();
+        return clone $queue;
+    }
+
+    /**
+     * Serialize the data structure
+     *
+     * @return string
+     */
+    public function serialize()
+    {
+        return serialize($this->items);
+    }
+
+    /**
+     * Unserialize a string into a PriorityQueue object
+     *
+     * Serialization format is compatible with {@link Zend\Stdlib\SplPriorityQueue}
+     *
+     * @param  string $data
+     * @return void
+     */
+    public function unserialize($data)
+    {
+        foreach (unserialize($data) as $item) {
+            $this->insert($item['data'], $item['priority']);
+        }
+    }
+
+    /**
+     * Serialize to an array
+     *
+     * By default, returns only the item data, and in the order registered (not
+     * sorted). You may provide one of the EXTR_* flags as an argument, allowing
+     * the ability to return priorities or both data and priority.
+     *
+     * @param  int $flag
+     * @return array
+     */
+    public function toArray($flag = self::EXTR_DATA)
+    {
+        switch ($flag) {
+            case self::EXTR_BOTH:
+                return $this->items;
+            case self::EXTR_PRIORITY:
+                return array_map(function ($item) {
+                    return $item['priority'];
+                }, $this->items);
+            case self::EXTR_DATA:
+            default:
+                return array_map(function ($item) {
+                    return $item['data'];
+                }, $this->items);
+        }
+    }
+
+    /**
+     * Specify the internal queue class
+     *
+     * Please see {@link getIterator()} for details on the necessity of an
+     * internal queue class. The class provided should extend SplPriorityQueue.
+     *
+     * @param  string $class
+     * @return PriorityQueue
+     */
+    public function setInternalQueueClass($class)
+    {
+        $this->queueClass = (string) $class;
+        return $this;
+    }
+
+    /**
+     * Does the queue contain the given datum?
+     *
+     * @param  mixed $datum
+     * @return bool
+     */
+    public function contains($datum)
+    {
+        foreach ($this->items as $item) {
+            if ($item['data'] === $datum) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Does the queue have an item with the given priority?
+     *
+     * @param  int $priority
+     * @return bool
+     */
+    public function hasPriority($priority)
+    {
+        foreach ($this->items as $item) {
+            if ($item['priority'] === $priority) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
+     * Get the inner priority queue instance
+     *
+     * @throws Exception\DomainException
+     * @return SplPriorityQueue
+     */
+    protected function getQueue()
+    {
+        if (null === $this->queue) {
+            $this->queue = new $this->queueClass();
+            if (!$this->queue instanceof \SplPriorityQueue) {
+                throw new Exception\DomainException(sprintf(
+                    'PriorityQueue expects an internal queue of type SplPriorityQueue; received "%s"',
+                    get_class($this->queue)
+                ));
+            }
+        }
+        return $this->queue;
+    }
+
+    /**
+     * Add support for deep cloning
+     *
+     * @return void
+     */
+    public function __clone()
+    {
+        if (null !== $this->queue) {
+            $this->queue = clone $this->queue;
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/README.md

@@ -0,0 +1,15 @@
+Stdlib Component from ZF2
+=========================
+
+This is the Stdlib component for ZF2.
+
+- File issues at https://github.com/zendframework/zf2/issues
+- Create pull requests against https://github.com/zendframework/zf2
+- Documentation is at http://framework.zend.com/docs
+
+LICENSE
+-------
+
+The files in this archive are released under the [Zend Framework
+license](http://framework.zend.com/license), which is a 3-clause BSD license.
+

core/vendor/zendframework/zend-stdlib/Request.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+class Request extends Message implements RequestInterface
+{
+    // generic request implementation
+}

core/vendor/zendframework/zend-stdlib/RequestInterface.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+interface RequestInterface extends MessageInterface
+{
+}

core/vendor/zendframework/zend-stdlib/Response.php

@@ -0,0 +1,15 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+class Response extends Message implements ResponseInterface
+{
+    // generic response implementation
+}

core/vendor/zendframework/zend-stdlib/ResponseInterface.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+interface ResponseInterface extends MessageInterface
+{
+}

core/vendor/zendframework/zend-stdlib/SplPriorityQueue.php

@@ -0,0 +1,91 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Serializable;
+
+/**
+ * Serializable version of SplPriorityQueue
+ *
+ * Also, provides predictable heap order for datums added with the same priority
+ * (i.e., they will be emitted in the same order they are enqueued).
+ */
+class SplPriorityQueue extends \SplPriorityQueue implements Serializable
+{
+    /**
+     * @var int Seed used to ensure queue order for items of the same priority
+     */
+    protected $serial = PHP_INT_MAX;
+
+    /**
+     * Insert a value with a given priority
+     *
+     * Utilizes {@var $serial} to ensure that values of equal priority are
+     * emitted in the same order in which they are inserted.
+     *
+     * @param  mixed $datum
+     * @param  mixed $priority
+     * @return void
+     */
+    public function insert($datum, $priority)
+    {
+        if (!is_array($priority)) {
+            $priority = array($priority, $this->serial--);
+        }
+        parent::insert($datum, $priority);
+    }
+
+    /**
+     * Serialize to an array
+     *
+     * Array will be priority => data pairs
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        $array = array();
+        foreach (clone $this as $item) {
+            $array[] = $item;
+        }
+        return $array;
+    }
+
+    /**
+     * Serialize
+     *
+     * @return string
+     */
+    public function serialize()
+    {
+        $clone = clone $this;
+        $clone->setExtractFlags(self::EXTR_BOTH);
+
+        $data = array();
+        foreach ($clone as $item) {
+            $data[] = $item;
+        }
+
+        return serialize($data);
+    }
+
+    /**
+     * Deserialize
+     *
+     * @param  string $data
+     * @return void
+     */
+    public function unserialize($data)
+    {
+        foreach (unserialize($data) as $item) {
+            $this->insert($item['data'], $item['priority']);
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/SplQueue.php

@@ -0,0 +1,55 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Serializable;
+
+/**
+ * Serializable version of SplQueue
+ */
+class SplQueue extends \SplQueue implements Serializable
+{
+    /**
+     * Return an array representing the queue
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        $array = array();
+        foreach ($this as $item) {
+            $array[] = $item;
+        }
+        return $array;
+    }
+
+    /**
+     * Serialize
+     *
+     * @return string
+     */
+    public function serialize()
+    {
+        return serialize($this->toArray());
+    }
+
+    /**
+     * Unserialize
+     *
+     * @param  string $data
+     * @return void
+     */
+    public function unserialize($data)
+    {
+        foreach (unserialize($data) as $item) {
+            $this->push($item);
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/SplStack.php

@@ -0,0 +1,55 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Serializable;
+
+/**
+ * Serializable version of SplStack
+ */
+class SplStack extends \SplStack implements Serializable
+{
+    /**
+     * Serialize to an array representing the stack
+     *
+     * @return array
+     */
+    public function toArray()
+    {
+        $array = array();
+        foreach ($this as $item) {
+            $array[] = $item;
+        }
+        return $array;
+    }
+
+    /**
+     * Serialize
+     *
+     * @return string
+     */
+    public function serialize()
+    {
+        return serialize($this->toArray());
+    }
+
+    /**
+     * Unserialize
+     *
+     * @param  string $data
+     * @return void
+     */
+    public function unserialize($data)
+    {
+        foreach (unserialize($data) as $item) {
+            $this->unshift($item);
+        }
+    }
+}

core/vendor/zendframework/zend-stdlib/StringUtils.php

@@ -0,0 +1,187 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib;
+
+use Zend\Stdlib\StringWrapper\StringWrapperInterface;
+
+/**
+ * Utility class for handling strings of different character encodings
+ * using available PHP extensions.
+ *
+ * Declared abstract, as we have no need for instantiation.
+ */
+abstract class StringUtils
+{
+    /**
+     * Ordered list of registered string wrapper instances
+     *
+     * @var StringWrapperInterface[]
+     */
+    protected static $wrapperRegistry = null;
+
+    /**
+     * A list of known single-byte character encodings (upper-case)
+     *
+     * @var string[]
+     */
+    protected static $singleByteEncodings = array(
+        'ASCII', '7BIT', '8BIT',
+        'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4', 'ISO-8859-5',
+        'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9', 'ISO-8859-10',
+        'ISO-8859-11', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
+        'CP-1251', 'CP-1252',
+        // TODO
+    );
+
+    /**
+     * Is PCRE compiled with Unicode support?
+     *
+     * @var bool
+     **/
+    protected static $hasPcreUnicodeSupport = null;
+
+    /**
+     * Get registered wrapper classes
+     *
+     * @return string[]
+     */
+    public static function getRegisteredWrappers()
+    {
+        if (static::$wrapperRegistry === null) {
+            static::$wrapperRegistry = array();
+
+            if (extension_loaded('intl')) {
+                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Intl';
+            }
+
+            if (extension_loaded('mbstring')) {
+                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\MbString';
+            }
+
+            if (extension_loaded('iconv')) {
+                static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Iconv';
+            }
+
+            static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Native';
+        }
+
+        return static::$wrapperRegistry;
+    }
+
+    /**
+     * Register a string wrapper class
+     *
+     * @param string $wrapper
+     * @return void
+     */
+    public static function registerWrapper($wrapper)
+    {
+        $wrapper = (string) $wrapper;
+        if (!in_array($wrapper, static::$wrapperRegistry, true)) {
+            static::$wrapperRegistry[] = $wrapper;
+        }
+    }
+
+    /**
+     * Unregister a string wrapper class
+     *
+     * @param string $wrapper
+     * @return void
+     */
+    public static function unregisterWrapper($wrapper)
+    {
+        $index = array_search((string) $wrapper, static::$wrapperRegistry, true);
+        if ($index !== false) {
+            unset(static::$wrapperRegistry[$index]);
+        }
+    }
+
+    /**
+     * Reset all registered wrappers so the default wrappers will be used
+     *
+     * @return void
+     */
+    public static function resetRegisteredWrappers()
+    {
+        static::$wrapperRegistry = null;
+    }
+
+    /**
+     * Get the first string wrapper supporting the given character encoding
+     * and supports to convert into the given convert encoding.
+     *
+     * @param string      $encoding        Character encoding to support
+     * @param string|null $convertEncoding OPTIONAL character encoding to convert in
+     * @return StringWrapperInterface
+     * @throws Exception\RuntimeException If no wrapper supports given character encodings
+     */
+    public static function getWrapper($encoding = 'UTF-8', $convertEncoding = null)
+    {
+        foreach (static::getRegisteredWrappers() as $wrapperClass) {
+            if ($wrapperClass::isSupported($encoding, $convertEncoding)) {
+                $wrapper = new $wrapperClass($encoding, $convertEncoding);
+                $wrapper->setEncoding($encoding, $convertEncoding);
+                return $wrapper;
+            }
+        }
+
+        throw new Exception\RuntimeException(
+            'No wrapper found supporting "' . $encoding . '"'
+            . (($convertEncoding !== null) ? ' and "' . $convertEncoding . '"' : '')
+        );
+    }
+
+    /**
+     * Get a list of all known single-byte character encodings
+     *
+     * @return string[]
+     */
+    public static function getSingleByteEncodings()
+    {
+        return static::$singleByteEncodings;
+    }
+
+    /**
+     * Check if a given encoding is a known single-byte character encoding
+     *
+     * @param string $encoding
+     * @return bool
+     */
+    public static function isSingleByteEncoding($encoding)
+    {
+        return in_array(strtoupper($encoding), static::$singleByteEncodings);
+    }
+
+    /**
+     * Check if a given string is valid UTF-8 encoded
+     *
+     * @param string $str
+     * @return bool
+     */
+    public static function isValidUtf8($str)
+    {
+        return is_string($str) && ($str === '' || preg_match('/^./su', $str) == 1);
+    }
+
+    /**
+     * Is PCRE compiled with Unicode support?
+     *
+     * @return bool
+     */
+    public static function hasPcreUnicodeSupport()
+    {
+        if (static::$hasPcreUnicodeSupport === null) {
+            ErrorHandler::start();
+            static::$hasPcreUnicodeSupport = defined('PREG_BAD_UTF8_OFFSET_ERROR') && preg_match('/\pL/u', 'a') == 1;
+            ErrorHandler::stop();
+        }
+        return static::$hasPcreUnicodeSupport;
+    }
+}

core/vendor/zendframework/zend-stdlib/StringWrapper/AbstractStringWrapper.php

@@ -0,0 +1,269 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\StringWrapper;
+
+use Zend\Stdlib\Exception;
+use Zend\Stdlib\StringUtils;
+
+abstract class AbstractStringWrapper implements StringWrapperInterface
+{
+    /**
+     * The character encoding working on
+     * @var string|null
+     */
+    protected $encoding = 'UTF-8';
+
+    /**
+     * An optionally character encoding to convert to
+     * @var string|null
+     */
+    protected $convertEncoding;
+
+    /**
+     * Check if the given character encoding is supported by this wrapper
+     * and the character encoding to convert to is also supported.
+     *
+     * @param  string      $encoding
+     * @param  string|null $convertEncoding
+     * @return bool
+     */
+    public static function isSupported($encoding, $convertEncoding = null)
+    {
+        $supportedEncodings = static::getSupportedEncodings();
+
+        if (!in_array(strtoupper($encoding), $supportedEncodings)) {
+            return false;
+        }
+
+        if ($convertEncoding !== null && !in_array(strtoupper($convertEncoding), $supportedEncodings)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Set character encoding working with and convert to
+     *
+     * @param string      $encoding         The character encoding to work with
+     * @param string|null $convertEncoding  The character encoding to convert to
+     * @return StringWrapperInterface
+     */
+    public function setEncoding($encoding, $convertEncoding = null)
+    {
+        $supportedEncodings = static::getSupportedEncodings();
+
+        $encodingUpper = strtoupper($encoding);
+        if (!in_array($encodingUpper, $supportedEncodings)) {
+            throw new Exception\InvalidArgumentException(
+                'Wrapper doesn\'t support character encoding "' . $encoding . '"'
+            );
+        }
+
+        if ($convertEncoding !== null) {
+            $convertEncodingUpper = strtoupper($convertEncoding);
+            if (!in_array($convertEncodingUpper, $supportedEncodings)) {
+                throw new Exception\InvalidArgumentException(
+                    'Wrapper doesn\'t support character encoding "' . $convertEncoding . '"'
+                );
+            }
+
+            $this->convertEncoding = $convertEncodingUpper;
+        } else {
+            $this->convertEncoding = null;
+        }
+        $this->encoding = $encodingUpper;
+
+        return $this;
+    }
+
+    /**
+     * Get the defined character encoding to work with
+     *
+     * @return string
+     * @throws Exception\LogicException If no encoding was defined
+     */
+    public function getEncoding()
+    {
+        return $this->encoding;
+    }
+
+    /**
+     * Get the defined character encoding to convert to
+     *
+     * @return string|null
+    */
+    public function getConvertEncoding()
+    {
+        return $this->convertEncoding;
+    }
+
+    /**
+     * Convert a string from defined character encoding to the defined convert encoding
+     *
+     * @param string  $str
+     * @param bool $reverse
+     * @return string|false
+     */
+    public function convert($str, $reverse = false)
+    {
+        $encoding        = $this->getEncoding();
+        $convertEncoding = $this->getConvertEncoding();
+        if ($convertEncoding === null) {
+            throw new Exception\LogicException(
+                'No convert encoding defined'
+            );
+        }
+
+        if ($encoding === $convertEncoding) {
+            return $str;
+        }
+
+        $from = $reverse ? $convertEncoding : $encoding;
+        $to   = $reverse ? $encoding : $convertEncoding;
+        throw new Exception\RuntimeException(sprintf(
+            'Converting from "%s" to "%s" isn\'t supported by this string wrapper',
+            $from,
+            $to
+        ));
+    }
+
+    /**
+     * Wraps a string to a given number of characters
+     *
+     * @param  string  $string
+     * @param  int $width
+     * @param  string  $break
+     * @param  bool $cut
+     * @return string|false
+     */
+    public function wordWrap($string, $width = 75, $break = "\n", $cut = false)
+    {
+        $string = (string) $string;
+        if ($string === '') {
+            return '';
+        }
+
+        $break = (string) $break;
+        if ($break === '') {
+            throw new Exception\InvalidArgumentException('Break string cannot be empty');
+        }
+
+        $width = (int) $width;
+        if ($width === 0 && $cut) {
+            throw new Exception\InvalidArgumentException('Cannot force cut when width is zero');
+        }
+
+        if (StringUtils::isSingleByteEncoding($this->getEncoding())) {
+            return wordwrap($string, $width, $break, $cut);
+        }
+
+        $stringWidth = $this->strlen($string);
+        $breakWidth  = $this->strlen($break);
+
+        $result    = '';
+        $lastStart = $lastSpace = 0;
+
+        for ($current = 0; $current < $stringWidth; $current++) {
+            $char = $this->substr($string, $current, 1);
+
+            $possibleBreak = $char;
+            if ($breakWidth !== 1) {
+                $possibleBreak = $this->substr($string, $current, $breakWidth);
+            }
+
+            if ($possibleBreak === $break) {
+                $result    .= $this->substr($string, $lastStart, $current - $lastStart + $breakWidth);
+                $current   += $breakWidth - 1;
+                $lastStart  = $lastSpace = $current + 1;
+                continue;
+            }
+
+            if ($char === ' ') {
+                if ($current - $lastStart >= $width) {
+                    $result    .= $this->substr($string, $lastStart, $current - $lastStart) . $break;
+                    $lastStart  = $current + 1;
+                }
+
+                $lastSpace = $current;
+                continue;
+            }
+
+            if ($current - $lastStart >= $width && $cut && $lastStart >= $lastSpace) {
+                $result    .= $this->substr($string, $lastStart, $current - $lastStart) . $break;
+                $lastStart  = $lastSpace = $current;
+                continue;
+            }
+
+            if ($current - $lastStart >= $width && $lastStart < $lastSpace) {
+                $result    .= $this->substr($string, $lastStart, $lastSpace - $lastStart) . $break;
+                $lastStart  = $lastSpace = $lastSpace + 1;
+                continue;
+            }
+        }
+
+        if ($lastStart !== $current) {
+            $result .= $this->substr($string, $lastStart, $current - $lastStart);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Pad a string to a certain length with another string
+     *
+     * @param  string  $input
+     * @param  int $padLength
+     * @param  string  $padString
+     * @param  int $padType
+     * @return string
+     */
+    public function strPad($input, $padLength, $padString = ' ', $padType = STR_PAD_RIGHT)
+    {
+        if (StringUtils::isSingleByteEncoding($this->getEncoding())) {
+            return str_pad($input, $padLength, $padString, $padType);
+        }
+
+        $lengthOfPadding = $padLength - $this->strlen($input);
+        if ($lengthOfPadding <= 0) {
+            return $input;
+        }
+
+        $padStringLength = $this->strlen($padString);
+        if ($padStringLength === 0) {
+            return $input;
+        }
+
+        $repeatCount = floor($lengthOfPadding / $padStringLength);
+
+        if ($padType === STR_PAD_BOTH) {
+            $repeatCountLeft = $repeatCountRight = ($repeatCount - $repeatCount % 2) / 2;
+
+            $lastStringLength       = $lengthOfPadding - 2 * $repeatCountLeft * $padStringLength;
+            $lastStringLeftLength   = $lastStringRightLength = floor($lastStringLength / 2);
+            $lastStringRightLength += $lastStringLength % 2;
+
+            $lastStringLeft  = $this->substr($padString, 0, $lastStringLeftLength);
+            $lastStringRight = $this->substr($padString, 0, $lastStringRightLength);
+
+            return str_repeat($padString, $repeatCountLeft) . $lastStringLeft
+                . $input
+                . str_repeat($padString, $repeatCountRight) . $lastStringRight;
+        }
+
+        $lastString = $this->substr($padString, 0, $lengthOfPadding % $padStringLength);
+
+        if ($padType === STR_PAD_LEFT) {
+            return str_repeat($padString, $repeatCount) . $lastString . $input;
+        }
+
+        return $input . str_repeat($padString, $repeatCount) . $lastString;
+    }
+}

core/vendor/zendframework/zend-stdlib/StringWrapper/Iconv.php

@@ -0,0 +1,289 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\StringWrapper;
+
+use Zend\Stdlib\Exception;
+
+class Iconv extends AbstractStringWrapper
+{
+    /**
+     * List of supported character sets (upper case)
+     *
+     * @var string[]
+     * @link http://www.gnu.org/software/libiconv/
+     */
+    protected static $encodings = array(
+        // European languages
+        'ASCII',
+        'ISO-8859-1',
+        'ISO-8859-2',
+        'ISO-8859-3',
+        'ISO-8859-4',
+        'ISO-8859-5',
+        'ISO-8859-7',
+        'ISO-8859-9',
+        'ISO-8859-10',
+        'ISO-8859-13',
+        'ISO-8859-14',
+        'ISO-8859-15',
+        'ISO-8859-16',
+        'KOI8-R',
+        'KOI8-U',
+        'KOI8-RU',
+        'CP1250',
+        'CP1251',
+        'CP1252',
+        'CP1253',
+        'CP1254',
+        'CP1257',
+        'CP850',
+        'CP866',
+        'CP1131',
+        'MACROMAN',
+        'MACCENTRALEUROPE',
+        'MACICELAND',
+        'MACCROATIAN',
+        'MACROMANIA',
+        'MACCYRILLIC',
+        'MACUKRAINE',
+        'MACGREEK',
+        'MACTURKISH',
+        'MACINTOSH',
+
+        // Semitic languages
+        'ISO-8859-6',
+        'ISO-8859-8',
+        'CP1255',
+        'CP1256',
+        'CP862',
+        'MACHEBREW',
+        'MACARABIC',
+
+        // Japanese
+        'EUC-JP',
+        'SHIFT_JIS',
+        'CP932',
+        'ISO-2022-JP',
+        'ISO-2022-JP-2',
+        'ISO-2022-JP-1',
+
+        // Chinese
+        'EUC-CN',
+        'HZ',
+        'GBK',
+        'CP936',
+        'GB18030',
+        'EUC-TW',
+        'BIG5',
+        'CP950',
+        'BIG5-HKSCS',
+        'BIG5-HKSCS:2004',
+        'BIG5-HKSCS:2001',
+        'BIG5-HKSCS:1999',
+        'ISO-2022-CN',
+        'ISO-2022-CN-EXT',
+
+        // Korean
+        'EUC-KR',
+        'CP949',
+        'ISO-2022-KR',
+        'JOHAB',
+
+        // Armenian
+        'ARMSCII-8',
+
+        // Georgian
+        'GEORGIAN-ACADEMY',
+        'GEORGIAN-PS',
+
+        // Tajik
+        'KOI8-T',
+
+        // Kazakh
+        'PT154',
+        'RK1048',
+
+        // Thai
+        'ISO-8859-11',
+        'TIS-620',
+        'CP874',
+        'MACTHAI',
+
+        // Laotian
+        'MULELAO-1',
+        'CP1133',
+
+        // Vietnamese
+        'VISCII',
+        'TCVN',
+        'CP1258',
+
+        // Platform specifics
+        'HP-ROMAN8',
+        'NEXTSTEP',
+
+        // Full Unicode
+        'UTF-8',
+        'UCS-2',
+        'UCS-2BE',
+        'UCS-2LE',
+        'UCS-4',
+        'UCS-4BE',
+        'UCS-4LE',
+        'UTF-16',
+        'UTF-16BE',
+        'UTF-16LE',
+        'UTF-32',
+        'UTF-32BE',
+        'UTF-32LE',
+        'UTF-7',
+        'C99',
+        'JAVA',
+
+        /* Commented out because that's internal encodings not existing in real world
+        // Full Unicode, in terms of uint16_t or uint32_t (with machine dependent endianness and alignment)
+        'UCS-2-INTERNAL',
+        'UCS-4-INTERNAL',
+
+        // Locale dependent, in terms of `char' or `wchar_t' (with machine dependent endianness and alignment,
+        // and with OS and locale dependent semantics)
+        'char',
+        'wchar_t',
+        '', // The empty encoding name is equivalent to "char": it denotes the locale dependent character encoding.
+        */
+
+        // When configured with the option --enable-extra-encodings,
+        // it also provides support for a few extra encodings:
+
+        // European languages
+        'CP437',
+        'CP737',
+        'CP775',
+        'CP852',
+        'CP853',
+        'CP855',
+        'CP857',
+        'CP858',
+        'CP860',
+        'CP861',
+        'CP863',
+        'CP865',
+        'CP869',
+        'CP1125',
+
+        // Semitic languages
+        'CP864',
+
+        // Japanese
+        'EUC-JISX0213',
+        'Shift_JISX0213',
+        'ISO-2022-JP-3',
+
+        // Chinese
+        'BIG5-2003', // (experimental)
+
+        // Turkmen
+        'TDS565',
+
+        // Platform specifics
+        'ATARIST',
+        'RISCOS-LATIN1',
+    );
+
+    /**
+     * Get a list of supported character encodings
+     *
+     * @return string[]
+     */
+    public static function getSupportedEncodings()
+    {
+        return static::$encodings;
+    }
+
+    /**
+     * Constructor
+     *
+     * @throws Exception\ExtensionNotLoadedException
+     */
+    public function __construct()
+    {
+        if (!extension_loaded('iconv')) {
+            throw new Exception\ExtensionNotLoadedException(
+                'PHP extension "iconv" is required for this wrapper'
+            );
+        }
+    }
+
+    /**
+     * Returns the length of the given string
+     *
+     * @param string $str
+     * @return int|false
+     */
+    public function strlen($str)
+    {
+        return iconv_strlen($str, $this->getEncoding());
+    }
+
+    /**
+     * Returns the portion of string specified by the start and length parameters
+     *
+     * @param string   $str
+     * @param int      $offset
+     * @param int|null $length
+     * @return string|false
+     */
+    public function substr($str, $offset = 0, $length = null)
+    {
+        return iconv_substr($str, $offset, $length, $this->getEncoding());
+    }
+
+    /**
+     * Find the position of the first occurrence of a substring in a string
+     *
+     * @param string $haystack
+     * @param string $needle
+     * @param int    $offset
+     * @return int|false
+     */
+    public function strpos($haystack, $needle, $offset = 0)
+    {
+        return iconv_strpos($haystack, $needle, $offset, $this->getEncoding());
+    }
+
+    /**
+     * Convert a string from defined encoding to the defined convert encoding
+     *
+     * @param string  $str
+     * @param bool $reverse
+     * @return string|false
+     */
+    public function convert($str, $reverse = false)
+    {
+        $encoding        = $this->getEncoding();
+        $convertEncoding = $this->getConvertEncoding();
+        if ($convertEncoding === null) {
+            throw new Exception\LogicException(
+                'No convert encoding defined'
+            );
+        }
+
+        if ($encoding === $convertEncoding) {
+            return $str;
+        }
+
+        $fromEncoding = $reverse ? $convertEncoding : $encoding;
+        $toEncoding   = $reverse ? $encoding : $convertEncoding;
+
+        // automatically add "//IGNORE" to not stop converting on invalid characters
+        // invalid characters triggers a notice anyway
+        return iconv($fromEncoding, $toEncoding . '//IGNORE', $str);
+    }
+}

core/vendor/zendframework/zend-stdlib/StringWrapper/Intl.php

@@ -0,0 +1,88 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\StringWrapper;
+
+use Zend\Stdlib\Exception;
+
+class Intl extends AbstractStringWrapper
+{
+    /**
+     * List of supported character sets (upper case)
+     *
+     * @var string[]
+     */
+    protected static $encodings = array('UTF-8');
+
+    /**
+     * Get a list of supported character encodings
+     *
+     * @return string[]
+     */
+    public static function getSupportedEncodings()
+    {
+        return static::$encodings;
+    }
+
+    /**
+     * Constructor
+     *
+     * @throws Exception\ExtensionNotLoadedException
+     */
+    public function __construct()
+    {
+        if (!extension_loaded('intl')) {
+            throw new Exception\ExtensionNotLoadedException(
+                'PHP extension "intl" is required for this wrapper'
+            );
+        }
+    }
+
+    /**
+     * Returns the length of the given string
+     *
+     * @param string $str
+     * @return int|false
+     */
+    public function strlen($str)
+    {
+        return grapheme_strlen($str);
+    }
+
+    /**
+     * Returns the portion of string specified by the start and length parameters
+     *
+     * @param string   $str
+     * @param int      $offset
+     * @param int|null $length
+     * @return string|false
+     */
+    public function substr($str, $offset = 0, $length = null)
+    {
+        // Due fix of PHP #62759 The third argument returns an empty string if is 0 or null.
+        if ($length !== null) {
+            return grapheme_substr($str, $offset, $length);
+        }
+
+        return grapheme_substr($str, $offset);
+    }
+
+    /**
+     * Find the position of the first occurrence of a substring in a string
+     *
+     * @param string $haystack
+     * @param string $needle
+     * @param int    $offset
+     * @return int|false
+     */
+    public function strpos($haystack, $needle, $offset = 0)
+    {
+        return grapheme_strpos($haystack, $needle, $offset);
+    }
+}

core/vendor/zendframework/zend-stdlib/StringWrapper/MbString.php

@@ -0,0 +1,121 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\StringWrapper;
+
+use Zend\Stdlib\Exception;
+
+class MbString extends AbstractStringWrapper
+{
+    /**
+     * List of supported character sets (upper case)
+     *
+     * @var null|string[]
+     * @link http://php.net/manual/mbstring.supported-encodings.php
+     */
+    protected static $encodings = null;
+
+    /**
+     * Get a list of supported character encodings
+     *
+     * @return string[]
+     */
+    public static function getSupportedEncodings()
+    {
+        if (static::$encodings === null) {
+            static::$encodings = array_map('strtoupper', mb_list_encodings());
+
+            // FIXME: Converting € (UTF-8) to ISO-8859-16 gives a wrong result
+            $indexIso885916 = array_search('ISO-8859-16', static::$encodings, true);
+            if ($indexIso885916 !== false) {
+                unset(static::$encodings[$indexIso885916]);
+            }
+        }
+
+        return static::$encodings;
+    }
+
+    /**
+     * Constructor
+     *
+     * @throws Exception\ExtensionNotLoadedException
+     */
+    public function __construct()
+    {
+        if (!extension_loaded('mbstring')) {
+            throw new Exception\ExtensionNotLoadedException(
+                'PHP extension "mbstring" is required for this wrapper'
+            );
+        }
+    }
+
+    /**
+     * Returns the length of the given string
+     *
+     * @param string $str
+     * @return int|false
+     */
+    public function strlen($str)
+    {
+        return mb_strlen($str, $this->getEncoding());
+    }
+
+    /**
+     * Returns the portion of string specified by the start and length parameters
+     *
+     * @param string   $str
+     * @param int      $offset
+     * @param int|null $length
+     * @return string|false
+     */
+    public function substr($str, $offset = 0, $length = null)
+    {
+        return mb_substr($str, $offset, $length, $this->getEncoding());
+    }
+
+    /**
+     * Find the position of the first occurrence of a substring in a string
+     *
+     * @param string $haystack
+     * @param string $needle
+     * @param int    $offset
+     * @return int|false
+     */
+    public function strpos($haystack, $needle, $offset = 0)
+    {
+        return mb_strpos($haystack, $needle, $offset, $this->getEncoding());
+    }
+
+    /**
+     * Convert a string from defined encoding to the defined convert encoding
+     *
+     * @param string  $str
+     * @param bool $reverse
+     * @return string|false
+     */
+    public function convert($str, $reverse = false)
+    {
+        $encoding        = $this->getEncoding();
+        $convertEncoding = $this->getConvertEncoding();
+
+        if ($convertEncoding === null) {
+            throw new Exception\LogicException(
+                'No convert encoding defined'
+            );
+        }
+
+        if ($encoding === $convertEncoding) {
+            return $str;
+        }
+
+        $fromEncoding = $reverse ? $convertEncoding : $encoding;
+        $toEncoding   = $reverse ? $encoding : $convertEncoding;
+        return mb_convert_encoding($str, $toEncoding, $fromEncoding);
+    }
+}

core/vendor/zendframework/zend-stdlib/StringWrapper/Native.php

@@ -0,0 +1,134 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\StringWrapper;
+
+use Zend\Stdlib\Exception;
+use Zend\Stdlib\StringUtils;
+
+class Native extends AbstractStringWrapper
+{
+    /**
+     * The character encoding working on
+     * (overwritten to change defaut encoding)
+     *
+     * @var string
+     */
+    protected $encoding = 'ASCII';
+
+    /**
+     * Check if the given character encoding is supported by this wrapper
+     * and the character encoding to convert to is also supported.
+     *
+     * @param  string      $encoding
+     * @param  string|null $convertEncoding
+     * @return bool
+     */
+    public static function isSupported($encoding, $convertEncoding = null)
+    {
+        $encodingUpper      = strtoupper($encoding);
+        $supportedEncodings = static::getSupportedEncodings();
+
+        if (!in_array($encodingUpper, $supportedEncodings)) {
+            return false;
+        }
+
+        // This adapter doesn't support to convert between encodings
+        if ($convertEncoding !== null && $encodingUpper !== strtoupper($convertEncoding)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Get a list of supported character encodings
+     *
+     * @return string[]
+     */
+    public static function getSupportedEncodings()
+    {
+        return StringUtils::getSingleByteEncodings();
+    }
+
+    /**
+     * Set character encoding working with and convert to
+     *
+     * @param string      $encoding         The character encoding to work with
+     * @param string|null $convertEncoding  The character encoding to convert to
+     * @return StringWrapperInterface
+     */
+    public function setEncoding($encoding, $convertEncoding = null)
+    {
+        $supportedEncodings = static::getSupportedEncodings();
+
+        $encodingUpper = strtoupper($encoding);
+        if (!in_array($encodingUpper, $supportedEncodings)) {
+            throw new Exception\InvalidArgumentException(
+                'Wrapper doesn\'t support character encoding "' . $encoding . '"'
+            );
+        }
+
+        if ($encodingUpper !== strtoupper($convertEncoding)) {
+            $this->convertEncoding = $encodingUpper;
+        }
+
+        if ($convertEncoding !== null) {
+            if ($encodingUpper !== strtoupper($convertEncoding)) {
+                throw new Exception\InvalidArgumentException(
+                    'Wrapper doesn\'t support to convert between character encodings'
+                );
+            }
+
+            $this->convertEncoding = $encodingUpper;
+        } else {
+            $this->convertEncoding = null;
+        }
+        $this->encoding = $encodingUpper;
+
+        return $this;
+    }
+
+    /**
+     * Returns the length of the given string
+     *
+     * @param string $str
+     * @return int|false
+     */
+    public function strlen($str)
+    {
+        return strlen($str);
+    }
+
+    /**
+     * Returns the portion of string specified by the start and length parameters
+     *
+     * @param string   $str
+     * @param int      $offset
+     * @param int|null $length
+     * @return string|false
+     */
+    public function substr($str, $offset = 0, $length = null)
+    {
+        return substr($str, $offset, $length);
+    }
+
+    /**
+     * Find the position of the first occurrence of a substring in a string
+     *
+     * @param string $haystack
+     * @param string $needle
+     * @param int    $offset
+     * @return int|false
+     */
+    public function strpos($haystack, $needle, $offset = 0)
+    {
+        return strpos($haystack, $needle, $offset);
+    }
+}

core/vendor/zendframework/zend-stdlib/StringWrapper/StringWrapperInterface.php

@@ -0,0 +1,111 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ */
+
+namespace Zend\Stdlib\StringWrapper;
+
+interface StringWrapperInterface
+{
+    /**
+     * Check if the given character encoding is supported by this wrapper
+     * and the character encoding to convert to is also supported.
+     *
+     * @param string      $encoding
+     * @param string|null $convertEncoding
+     */
+    public static function isSupported($encoding, $convertEncoding = null);
+
+    /**
+     * Get a list of supported character encodings
+     *
+     * @return string[]
+     */
+    public static function getSupportedEncodings();
+
+    /**
+     * Set character encoding working with and convert to
+     *
+     * @param string      $encoding         The character encoding to work with
+     * @param string|null $convertEncoding  The character encoding to convert to
+     * @return StringWrapperInterface
+     */
+    public function setEncoding($encoding, $convertEncoding = null);
+
+    /**
+     * Get the defined character encoding to work with (upper case)
+     *
+     * @return string
+     */
+    public function getEncoding();
+
+    /**
+     * Get the defined character encoding to convert to (upper case)
+     *
+     * @return string|null
+     */
+    public function getConvertEncoding();
+
+    /**
+     * Returns the length of the given string
+     *
+     * @param string $str
+     * @return int|false
+     */
+    public function strlen($str);
+
+    /**
+     * Returns the portion of string specified by the start and length parameters
+     *
+     * @param string   $str
+     * @param int      $offset
+     * @param int|null $length
+     * @return string|false
+     */
+    public function substr($str, $offset = 0, $length = null);
+
+    /**
+     * Find the position of the first occurrence of a substring in a string
+     *
+     * @param string $haystack
+     * @param string $needle
+     * @param int    $offset
+     * @return int|false
+     */
+    public function strpos($haystack, $needle, $offset = 0);
+
+    /**
+     * Convert a string from defined encoding to the defined convert encoding
+     *
+     * @param string  $str
+     * @param bool $reverse
+     * @return string|false
+     */
+    public function convert($str, $reverse = false);
+
+    /**
+     * Wraps a string to a given number of characters
+     *
+     * @param  string  $str
+     * @param  int $width
+     * @param  string  $break
+     * @param  bool $cut
+     * @return string
+     */
+    public function wordWrap($str, $width = 75, $break = "\n", $cut = false);
+
+    /**
+     * Pad a string to a certain length with another string
+     *
+     * @param  string  $input
+     * @param  int $padLength
+     * @param  string  $padString
+     * @param  int $padType
+     * @return string
+     */
+    public function strPad($input, $padLength, $padString = ' ', $padType = STR_PAD_RIGHT);
+}

core/vendor/zendframework/zend-stdlib/compatibility/autoload.php

@@ -0,0 +1,14 @@
+<?php
+/**
+ * Zend Framework (http://framework.zend.com/)
+ *
+ * @link      http://github.com/zendframework/zf2 for the canonical source repository
+ * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   http://framework.zend.com/license/new-bsd New BSD License
+ * @deprecated
+ */
+
+/**
+ * Legacy purposes only, to prevent code that references it from breaking.
+ */
+trigger_error('Polyfill autoload support (file library/Zend/Stdlib/compatibility/autoload.php) is no longer necessary; please remove your require statement referencing this file', E_USER_DEPRECATED);

core/vendor/zendframework/zend-stdlib/composer.json

@@ -0,0 +1,36 @@
+{
+    "name": "zendframework/zend-stdlib",
+    "description": " ",
+    "license": "BSD-3-Clause",
+    "keywords": [
+        "zf2",
+        "stdlib"
+    ],
+    "homepage": "https://github.com/zendframework/zf2",
+    "autoload": {
+        "psr-4": {
+            "Zend\\Stdlib\\": ""
+        }
+    },
+    "require": {
+        "php": ">=5.3.23"
+    },
+    "require-dev": {
+        "zendframework/zend-eventmanager": "self.version",
+        "zendframework/zend-serializer": "self.version",
+        "zendframework/zend-servicemanager": "self.version",
+        "zendframework/zend-filter": "self.version"
+    },
+    "suggest": {
+        "zendframework/zend-eventmanager": "To support aggregate hydrator usage",
+        "zendframework/zend-serializer": "Zend\\Serializer component",
+        "zendframework/zend-servicemanager": "To support hydrator plugin manager usage",
+        "zendframework/zend-filter": "To support naming strategy hydrator usage"
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "2.3-dev",
+            "dev-develop": "2.4-dev"
+        }
+    }
+}