Update to Drupal 8.1.1. For more information, see https://www.drupal.org/node/2718713

core/CHANGELOG.txt

@@ -11,7 +11,7 @@ Drupal 8.1.0, 2016-04-20
     * Added Symfony Polyfill Iconv 1.1.0.
     * Added paragonie/random_compat 1.4.1.
 - Updated vendor libraries:
-    * Updated to Symfony 2.8.4.
+    * Updated to the last 2.x minor version of Symfony: 2.8 (2.8.4).
     * Updated to CKEditor 4.5.8.
     * Updated to Modernizr 3.3.1.
 - Added modules:
@@ -34,6 +34,7 @@ Drupal 8.1.0, 2016-04-20
       reducing the code needed to extend them.
     * Simplified Migrate API by replacing migration configuration entities with
       migration plugins.
+    * Various improvements for defining entity types:
       * Added support for entity types to specify translatable plural labels.
       * Added a revision log interface and trait for revisionable entity types.
       * Added key field definitions to ContentEntityBase, reducing code from
@@ -414,8 +415,8 @@ Drupal 7.0, 2011-01-05
       are available.
 - OpenID:
     * Added support for Gmail and Google Apps for Domain identifiers. Users can
-      now login with their user@example.com identifier when example.com is powered
+      now log in with their user@example.com identifier when example.com is
-      by Google.
+      powered by Google.
     * Made the OpenID module more pluggable.
 - Added code registry:
     * Using the registry, modules declare their includable files via their .info file,

core/MAINTAINERS.txt

@@ -314,6 +314,7 @@ Database Logging module
 - Khalid Baheyeldin 'kbahey' https://www.drupal.org/u/kbahey
 
 DateTime module
+- Jonathan Hedstrom 'jhedstrom' https://www.drupal.org/u/jhedstrom
 - Matthew Donadio 'mpdonadio' https://www.drupal.org/u/mpdonadio
 
 Dynamic Page Cache module

core/composer.json

@@ -140,10 +140,8 @@
             "Drupal\\Component\\": "lib/Drupal/Component",
             "Drupal\\Driver\\": "../drivers/lib/Drupal/Driver"
         },
-        "files": [
-            "lib/Drupal.php"
-        ],
         "classmap": [
+            "lib/Drupal.php",
             "lib/Drupal/Component/Utility/Timer.php",
             "lib/Drupal/Component/Utility/Unicode.php",
             "lib/Drupal/Core/Database/Database.php",

core/core.services.yml

@@ -80,6 +80,11 @@ services:
     arguments: ['@request_stack']
     tags:
       - { name: cache.context }
+  cache_context.url.path.parent:
+    class: Drupal\Core\Cache\Context\PathParentCacheContext
+    arguments: ['@request_stack']
+    tags:
+      - { name: cache.context }
   cache_context.url.query_args:
     class: Drupal\Core\Cache\Context\QueryArgsCacheContext
     arguments: ['@request_stack']

core/includes/common.inc

@@ -14,6 +14,7 @@ use Drupal\Component\Utility\Html;
 use Drupal\Component\Utility\SortArray;
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Cache\Cache;
+use Drupal\Core\Render\Element\Link;
 use Drupal\Core\Render\Markup;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\Core\PhpStorage\PhpStorageFactory;
@@ -748,7 +749,7 @@ function drupal_clear_js_cache() {
  *   Use \Drupal\Core\Render\Element\Link::preRenderLink().
  */
 function drupal_pre_render_link($element) {
-  return Element\Link::preRenderLink($element);
+  return Link::preRenderLink($element);
 }
 
 /**

core/includes/form.inc

@@ -7,6 +7,7 @@
 
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Render\Element;
+use Drupal\Core\Render\Element\RenderElement;
 use Drupal\Core\Template\Attribute;
 use Drupal\Core\Url;
 use Symfony\Component\HttpFoundation\RedirectResponse;
@@ -29,7 +30,7 @@ use Symfony\Component\HttpFoundation\RedirectResponse;
 function template_preprocess_select(&$variables) {
   $element = $variables['element'];
   Element::setAttributes($element, array('id', 'name', 'size'));
-  Element\RenderElement::setAttributes($element, array('form-select'));
+  RenderElement::setAttributes($element, array('form-select'));
 
   $variables['attributes'] = $element['#attributes'];
   $variables['options'] = form_select_options($element);
@@ -191,7 +192,7 @@ function form_get_options($element, $key) {
 function template_preprocess_fieldset(&$variables) {
   $element = $variables['element'];
   Element::setAttributes($element, array('id'));
-  Element\RenderElement::setAttributes($element);
+  RenderElement::setAttributes($element);
   $variables['attributes'] = isset($element['#attributes']) ? $element['#attributes'] : array();
   $variables['prefix'] = isset($element['#field_prefix']) ? $element['#field_prefix'] : NULL;
   $variables['suffix'] = isset($element['#field_suffix']) ? $element['#field_suffix'] : NULL;
@@ -376,7 +377,7 @@ function template_preprocess_form(&$variables) {
 function template_preprocess_textarea(&$variables) {
   $element = $variables['element'];
   Element::setAttributes($element, array('id', 'name', 'rows', 'cols', 'placeholder'));
-  Element\RenderElement::setAttributes($element, array('form-textarea'));
+  RenderElement::setAttributes($element, array('form-textarea'));
   $variables['wrapper_attributes'] = new Attribute();
   $variables['attributes'] = new Attribute($element['#attributes']);
   $variables['value'] = $element['#value'];

core/includes/install.core.inc

@@ -7,7 +7,6 @@
 
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\DrupalKernel;
-use Drupal\Core\Config\BootstrapConfigStorageFactory;
 use Drupal\Core\Database\Database;
 use Drupal\Core\Database\DatabaseExceptionWrapper;
 use Drupal\Core\Form\FormState;
@@ -489,8 +488,7 @@ function install_begin_request($class_loader, &$install_state) {
 
   // Ensure that the active configuration is empty before installation starts.
   if ($install_state['config_verified'] && empty($task)) {
-    $config = BootstrapConfigStorageFactory::get()->listAll();
+    if (count($kernel->getConfigStorage()->listAll())) {
-    if (!empty($config)) {
       $task = NULL;
       throw new AlreadyInstalledException($container->get('string_translation'));
     }

core/includes/theme.inc

@@ -580,20 +580,29 @@ function template_preprocess_datetime_wrapper(&$variables) {
  *
  * Default template: links.html.twig.
  *
+ * Unfortunately links templates duplicate the "active" class handling of l()
+ * and LinkGenerator::generate() because it needs to be able to set the "active"
+ * class not on the links themselves ("a" tags), but on the list items ("li"
+ * tags) that contain the links. This is necessary for CSS to be able to style
+ * list items differently when the link is active, since CSS does not yet allow
+ * one to style list items only if it contains a certain element with a certain
+ * class. I.e. we cannot yet convert this jQuery selector to a CSS selector:
+ * jQuery('li:has("a.is-active")')
+ *
  * @param array $variables
  *   An associative array containing:
  *   - links: An array of links to be themed. Each link should be itself an
  *     array, with the following elements:
  *     - title: The link text.
- *     - url: (optional) The url object to link to. If omitted, no a tag is
+ *     - url: (optional) The \Drupal\Core\Url object to link to. If omitted, no
- *       printed out.
+ *       anchor tag is printed out.
  *     - attributes: (optional) Attributes for the anchor, or for the <span>
  *       tag used in its place if no 'href' is supplied. If element 'class' is
  *       included, it must be an array of one or more class names.
  *     If the 'href' element is supplied, the entire link array is passed to
  *     l() as its $options parameter.
- *   - attributes: A keyed array of attributes for the UL containing the
+ *   - attributes: A keyed array of attributes for the <ul> containing the list
- *     list of links.
+ *     of links.
  *   - set_active_class: (optional) Whether each link should compare the
  *     route_name + route_parameters or href (path), language and query options
  *     to the current URL, to determine whether the link is "active". If so, an
@@ -622,15 +631,6 @@ function template_preprocess_datetime_wrapper(&$variables) {
  *     http://juicystudio.com/article/screen-readers-display-none.php and
  *     http://www.w3.org/TR/WCAG-TECHS/H42.html for more information.
  *
- * Unfortunately links templates duplicate the "active" class handling of l()
- * and LinkGenerator::generate() because it needs to be able to set the "active"
- * class not on the links themselves ("a" tags), but on the list items ("li"
- * tags) that contain the links. This is necessary for CSS to be able to style
- * list items differently when the link is active, since CSS does not yet allow
- * one to style list items only if it contains a certain element with a certain
- * class. I.e. we cannot yet convert this jQuery selector to a CSS selector:
- *   jQuery('li:has("a.is-active")')
- *
  * @see \Drupal\Core\Utility\LinkGenerator
  * @see \Drupal\Core\Utility\LinkGenerator::generate()
  * @see system_page_attachments()
@@ -1052,6 +1052,7 @@ function template_preprocess_table(&$variables) {
  *     render properties for all nested child lists.
  *   - title: A title to be prepended to the list.
  *   - list_type: The type of list to return (e.g. "ul", "ol").
+ *   - wrapper_attributes: HTML attributes to be applied to the list wrapper.
  *
  * @see https://www.drupal.org/node/1842756
  */
@@ -1527,7 +1528,7 @@ function template_preprocess_field(&$variables, $hook) {
 
   static $default_attributes;
   if (!isset($default_attributes)) {
-    $default_attributes = new Attribute;
+    $default_attributes = new Attribute();
   }
 
   // Merge attributes when a single-value field has a hidden label.

core/lib/Drupal.php

@@ -81,7 +81,7 @@ class Drupal {
   /**
    * The current system version.
    */
-  const VERSION = '8.1.0';
+  const VERSION = '8.1.1';
 
   /**
    * Core API compatibility.

core/lib/Drupal/Component/Datetime/DateTimePlus.php

@@ -116,7 +116,7 @@ class DateTimePlus {
    * date even if some values are missing.
    *
    * @param array $date_parts
-   *   An array of date parts, like ('year' => 2014, 'month => 4).
+   *   An array of date parts, like ('year' => 2014, 'month' => 4).
    * @param mixed $timezone
    *   (optional) \DateTimeZone object, time zone string or NULL. NULL uses the
    *   default system time zone. Defaults to NULL.

core/lib/Drupal/Component/Diff/Diff.php

@@ -169,4 +169,3 @@ class Diff {
     return $this->edits;
   }
 }
-

core/lib/Drupal/Component/Diff/MappedDiff.php

@@ -56,4 +56,3 @@ class MappedDiff extends Diff {
     }
   }
 }
-

core/lib/Drupal/Component/Discovery/YamlDiscovery.php

@@ -86,4 +86,3 @@ class YamlDiscovery implements DiscoverableInterface {
   }
 
 }
-

core/lib/Drupal/Component/Gettext/PoStreamReader.php

@@ -219,7 +219,7 @@ class PoStreamReader implements PoStreamInterface, PoReaderInterface {
     if (!$item) {
       return;
     }
-    $header = new PoHeader;
+    $header = new PoHeader();
     $header->setFromString(trim($item->getTranslation()));
     $this->_header = $header;
   }

core/lib/Drupal/Component/Render/FormattableMarkup.php

@@ -163,9 +163,9 @@ class FormattableMarkup implements MarkupInterface, \Countable {
    *     wrapped in quotes:
    *     @code
    *     // Secure (with quotes):
-   *     $this->placeholderFormat('<a href=":url">@variable</a>', [':url' => $url, @variable => $variable]);
+   *     $this->placeholderFormat('<a href=":url">@variable</a>', [':url' => $url, '@variable' => $variable]);
    *     // Insecure (without quotes):
-   *     $this->placeholderFormat('<a href=:url>@variable</a>', [':url' => $url, @variable => $variable]);
+   *     $this->placeholderFormat('<a href=:url>@variable</a>', [':url' => $url, '@variable' => $variable]);
    *     @endcode
    *     When ":variable" comes from arbitrary user input, the result is secure,
    *     but not guaranteed to be a valid URL (which means the resulting output

core/lib/Drupal/Component/Utility/UrlHelper.php

@@ -19,7 +19,6 @@ class UrlHelper {
   /**
    * Parses an array into a valid, rawurlencoded query string.
    *
-   *
    * rawurlencode() is RFC3986 compliant, and as a consequence RFC3987
    * compliant. The latter defines the required format of "URLs" in HTML5.
    * urlencode() is almost the same as rawurlencode(), except that it encodes

core/lib/Drupal/Core/Ajax/DataCommand.php

@@ -71,4 +71,3 @@ class DataCommand implements CommandInterface {
   }
 
 }
-

core/lib/Drupal/Core/AppRootFactory.php

@@ -34,4 +34,3 @@ class AppRootFactory {
   }
 
 }
-

core/lib/Drupal/Core/Archiver/ArchiverException.php

@@ -6,4 +6,3 @@ namespace Drupal\Core\Archiver;
  * Defines an exception class for Drupal\Core\Archiver\ArchiverInterface.
  */
 class ArchiverException extends \Exception {}
-

core/lib/Drupal/Core/Asset/AssetResolver.php

@@ -214,7 +214,7 @@ class AssetResolver implements AssetResolverInterface {
     // hook_library_info_alter(). Additionally add the current language to
     // support translation of JavaScript files via hook_js_alter().
     $libraries_to_load = $this->getLibrariesToLoad($assets);
-    $cid = 'js:' . $theme_info->getName() . ':' .  $this->languageManager->getCurrentLanguage()->getId() . ':' . Crypt::hashBase64(serialize($libraries_to_load)) . (int) (count($assets->getSettings()) > 0) . (int) $optimize;
+    $cid = 'js:' . $theme_info->getName() . ':' .  $this->languageManager->getCurrentLanguage()->getId() . ':' . Crypt::hashBase64(serialize($libraries_to_load) . serialize($assets->getLibraries())) . (int) (count($assets->getSettings()) > 0) . (int) $optimize;
 
     if ($cached = $this->cache->get($cid)) {
       list($js_assets_header, $js_assets_footer, $settings, $settings_in_header) = $cached->data;

core/lib/Drupal/Core/Asset/CssCollectionGrouper.php

@@ -12,8 +12,8 @@ class CssCollectionGrouper implements AssetCollectionGrouperInterface {
    *
    * Puts multiple items into the same group if they are groupable and if they
    * are for the same 'media' and 'browsers'. Items of the 'file' type are
-   * groupable if their 'preprocess' flag is TRUE, items of the 'inline' type
+   * groupable if their 'preprocess' flag is TRUE, and items of the 'external'
-   * are always groupable, and items of the 'external' type are never groupable.
+   * type are never groupable.
    *
    * Also ensures that the process of grouping items does not change their
    * relative order. This requirement may result in multiple groups for the same
@@ -55,11 +55,6 @@ class CssCollectionGrouper implements AssetCollectionGrouperInterface {
           $group_keys = $item['preprocess'] ? array($item['type'], $item['group'], $item['media'], $item['browsers']) : FALSE;
           break;
 
-        case 'inline':
-          // Always group inline items.
-          $group_keys = array($item['type'], $item['media'], $item['browsers']);
-          break;
-
         case 'external':
           // Do not group external items.
           $group_keys = FALSE;

core/lib/Drupal/Core/Asset/CssCollectionOptimizer.php

@@ -133,16 +133,6 @@ class CssCollectionOptimizer implements AssetCollectionOptimizerInterface {
           }
           break;
 
-        case 'inline':
-          // We don't do any caching for inline CSS assets.
-          $data = '';
-          foreach ($css_group['items'] as $css_asset) {
-            $data .= $this->optimizer->optimize($css_asset);
-          }
-          unset($css_assets[$order]['data']['items']);
-          $css_assets[$order]['data'] = $data;
-          break;
-
         case 'external':
           // We don't do any aggregation and hence also no caching for external
           // CSS assets.

core/lib/Drupal/Core/Asset/CssOptimizer.php

@@ -20,20 +20,15 @@ class CssOptimizer implements AssetOptimizerInterface {
    * {@inheritdoc}
    */
   public function optimize(array $css_asset) {
-    if (!in_array($css_asset['type'], array('file', 'inline'))) {
+    if ($css_asset['type'] != 'file') {
-      throw new \Exception('Only file or inline CSS assets can be optimized.');
+      throw new \Exception('Only file CSS assets can be optimized.');
     }
-    if ($css_asset['type'] === 'file' && !$css_asset['preprocess']) {
+    if (!$css_asset['preprocess']) {
       throw new \Exception('Only file CSS assets with preprocessing enabled can be optimized.');
     }
 
-    if ($css_asset['type'] === 'file') {
     return $this->processFile($css_asset);
   }
-    else {
-      return $this->processCss($css_asset['data'], $css_asset['preprocess']);
-    }
-  }
 
   /**
    * Processes the contents of a CSS asset for cleanup.
@@ -241,14 +236,14 @@ class CssOptimizer implements AssetOptimizerInterface {
   /**
    * Prefixes all paths within a CSS file for processFile().
    *
-   * @param array $matches
-   *   An array of matches by a preg_replace_callback() call that scans for
-   *   url() references in CSS files, except for external or absolute ones.
-   *
    * Note: the only reason this method is public is so color.module can call it;
    * it is not on the AssetOptimizerInterface, so future refactorings can make
    * it protected.
    *
+   * @param array $matches
+   *   An array of matches by a preg_replace_callback() call that scans for
+   *   url() references in CSS files, except for external or absolute ones.
+   *
    * @return string
    *   The file path.
    */

core/lib/Drupal/Core/Asset/JsCollectionGrouper.php

@@ -12,8 +12,7 @@ class JsCollectionGrouper implements AssetCollectionGrouperInterface {
    *
    * Puts multiple items into the same group if they are groupable and if they
    * are for the same browsers. Items of the 'file' type are groupable if their
-   * 'preprocess' flag is TRUE. Items of the 'inline', 'settings', or 'external'
+   * 'preprocess' flag is TRUE. Items of the 'external' type are not groupable.
-   * type are not groupable.
    *
    * Also ensures that the process of grouping items does not change their
    * relative order. This requirement may result in multiple groups for the same
@@ -43,9 +42,7 @@ class JsCollectionGrouper implements AssetCollectionGrouperInterface {
           break;
 
         case 'external':
-        case 'setting':
+          // Do not group external items.
-        case 'inline':
-          // Do not group external, settings, and inline items.
           $group_keys = FALSE;
           break;
       }

core/lib/Drupal/Core/Asset/JsCollectionOptimizer.php

@@ -138,10 +138,8 @@ class JsCollectionOptimizer implements AssetCollectionOptimizerInterface {
           break;
 
         case 'external':
-        case 'setting':
+          // We don't do any aggregation and hence also no caching for external
-        case 'inline':
+          // JS assets.
-          // We don't do any aggregation and hence also no caching for external,
-          // setting or inline JS assets.
           $uri = $js_group['items'][0]['data'];
           $js_assets[$order]['data'] = $uri;
           break;

core/lib/Drupal/Core/Asset/JsOptimizer.php

@@ -16,7 +16,7 @@ class JsOptimizer implements AssetOptimizerInterface {
     if ($js_asset['type'] !== 'file') {
       throw new \Exception('Only file JavaScript assets can be optimized.');
     }
-    if ($js_asset['type'] === 'file' && !$js_asset['preprocess']) {
+    if (!$js_asset['preprocess']) {
       throw new \Exception('Only file JavaScript assets with preprocessing enabled can be optimized.');
     }
 

core/lib/Drupal/Core/Cache/Context/PathParentCacheContext.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Drupal\Core\Cache\Context;
+
+use Drupal\Core\Cache\CacheableMetadata;
+
+/**
+ * Defines a cache context service for path parents.
+ *
+ * Cache context ID: 'url.path.parent'.
+ *
+ * This allows for caching based on the path, excluding everything after the
+ * last forward slash.
+ */
+class PathParentCacheContext extends RequestStackCacheContextBase implements CacheContextInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getLabel() {
+    return t('Parent path');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getContext() {
+    $request = $this->requestStack->getCurrentRequest();
+    $path_elements = explode('/', trim($request->getPathInfo(), '/'));
+    array_pop($path_elements);
+    return implode('/', $path_elements);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheableMetadata() {
+    return new CacheableMetadata();
+  }
+
+}

core/lib/Drupal/Core/Config/ConfigCrudEvent.php

@@ -49,4 +49,3 @@ class ConfigCrudEvent extends Event {
   }
 
 }
-

core/lib/Drupal/Core/Config/ConfigImporter.php

@@ -484,14 +484,17 @@ class ConfigImporter {
    */
   public function doSyncStep($sync_step, &$context) {
     if (!is_array($sync_step) && method_exists($this, $sync_step)) {
+      \Drupal::service('config.installer')->setSyncing(TRUE);
       $this->$sync_step($context);
     }
     elseif (is_callable($sync_step)) {
+      \Drupal::service('config.installer')->setSyncing(TRUE);
       call_user_func_array($sync_step, array(&$context, $this));
     }
     else {
       throw new \InvalidArgumentException('Invalid configuration synchronization step');
     }
+    \Drupal::service('config.installer')->setSyncing(FALSE);
   }
 
   /**
@@ -778,7 +781,6 @@ class ConfigImporter {
     // Set the config installer to use the sync directory instead of the
     // extensions own default config directories.
     \Drupal::service('config.installer')
-      ->setSyncing(TRUE)
       ->setSourceStorage($this->storageComparer->getSourceStorage());
     if ($type == 'module') {
       $this->moduleInstaller->$op(array($name), FALSE);
@@ -805,8 +807,6 @@ class ConfigImporter {
     }
 
     $this->setProcessedExtension($type, $op, $name);
-    \Drupal::service('config.installer')
-      ->setSyncing(FALSE);
   }
 
   /**

core/lib/Drupal/Core/Config/ConfigModuleOverridesEvent.php

@@ -100,4 +100,3 @@ class ConfigModuleOverridesEvent extends Event {
     return $this;
   }
 }
-

core/lib/Drupal/Core/Config/Entity/ConfigDependencyManager.php

@@ -17,10 +17,10 @@ use Drupal\Component\Utility\SortArray;
  * The configuration dependency value is structured like this:
  * @code
  * array(
- *   'config => array(
+ *   'config' => array(
  *     // An array of configuration entity object names. Recalculated on save.
  *   ),
- *   'content => array(
+ *   'content' => array(
  *     // An array of content entity configuration dependency names. The default
  *     // format is "ENTITY_TYPE_ID:BUNDLE:UUID". Recalculated on save.
  *   ),
@@ -291,10 +291,10 @@ class ConfigDependencyManager {
    *   The configuration dependencies. The array is structured like this:
    *   @code
    *   array(
-   *     'config => array(
+   *     'config' => array(
    *       // An array of configuration entity object names.
    *     ),
-   *     'content => array(
+   *     'content' => array(
    *       // An array of content entity configuration dependency names. The default
    *       // format is "ENTITY_TYPE_ID:BUNDLE:UUID".
    *     ),

core/lib/Drupal/Core/Config/Entity/ConfigEntityStorage.php

@@ -382,8 +382,7 @@ class ConfigEntityStorage extends EntityStorageBase implements ConfigEntityStora
    * {@inheritdoc}
    */
   public function importCreate($name, Config $new_config, Config $old_config) {
-    $entity = $this->createFromStorageRecord($new_config->get());
+    $entity = $this->_doCreateFromStorageRecord($new_config->get(), TRUE);
-    $entity->setSyncing(TRUE);
     $entity->save();
     return TRUE;
   }
@@ -425,6 +424,27 @@ class ConfigEntityStorage extends EntityStorageBase implements ConfigEntityStora
    * {@inheritdoc}
    */
   public function createFromStorageRecord(array $values) {
+    return $this->_doCreateFromStorageRecord($values);
+  }
+
+  /**
+   * Helps create a configuration entity from storage values.
+   *
+   * Allows the configuration entity storage to massage storage values before
+   * creating an entity.
+   *
+   * @param array $values
+   *   The array of values from the configuration storage.
+   * @param bool $is_syncing
+   *   Is the configuration entity being created as part of a config sync.
+   *
+   * @return ConfigEntityInterface
+   *   The configuration entity.
+   *
+   * @see \Drupal\Core\Config\Entity\ConfigEntityStorageInterface::createFromStorageRecord()
+   * @see \Drupal\Core\Config\Entity\ImportableEntityStorageInterface::importCreate()
+   */
+  protected function _doCreateFromStorageRecord(array $values, $is_syncing = FALSE) {
     // Assign a new UUID if there is none yet.
     if ($this->uuidKey && $this->uuidService && !isset($values[$this->uuidKey])) {
       $values[$this->uuidKey] = $this->uuidService->generate();
@@ -432,6 +452,7 @@ class ConfigEntityStorage extends EntityStorageBase implements ConfigEntityStora
     $data = $this->mapFromStorageRecords(array($values));
     $entity = current($data);
     $entity->original = clone $entity;
+    $entity->setSyncing($is_syncing);
     $entity->enforceIsNew();
     $entity->postCreate($this);
 
@@ -439,6 +460,7 @@ class ConfigEntityStorage extends EntityStorageBase implements ConfigEntityStora
     // entity object, for instance to fill-in default values.
     $this->invokeHook('create', $entity);
     return $entity;
+
   }
 
   /**

core/lib/Drupal/Core/Config/ExtensionInstallStorage.php

@@ -132,4 +132,3 @@ class ExtensionInstallStorage extends InstallStorage {
     return $this->folders;
   }
 }
-

core/lib/Drupal/Core/Config/StorableConfigBase.php

@@ -60,13 +60,13 @@ abstract class StorableConfigBase extends ConfigBase {
   /**
    * Saves the configuration object.
    *
+   * Must invalidate the cache tags associated with the configuration object.
+   *
    * @param bool $has_trusted_data
    *   Set to TRUE if the configuration data has already been checked to ensure
    *   it conforms to schema. Generally this is only used during module and
    *   theme installation.
    *
-   * Must invalidate the cache tags associated with the configuration object.
-   *
    * @return $this
    *
    * @see \Drupal\Core\Config\ConfigInstaller::createConfiguration()

core/lib/Drupal/Core/Controller/ControllerResolver.php

@@ -68,7 +68,7 @@ class ControllerResolver extends BaseControllerResolver implements ControllerRes
         return $controller;
       }
       elseif (method_exists($controller, '__invoke')) {
-        return new $controller;
+        return new $controller();
       }
     }
 

core/lib/Drupal/Core/Database/DatabaseException.php

@@ -11,4 +11,3 @@ namespace Drupal\Core\Database;
  * developers should account for it separately.
  */
 interface DatabaseException { }
-

core/lib/Drupal/Core/Database/Log.php

@@ -22,8 +22,8 @@ class Log {
    *
    * array(
    *   $logging_key = array(
-   *     array(query => '', args => array(), caller => '', target => '', time => 0),
+   *     array('query' => '', 'args' => array(), 'caller' => '', 'target' => '', 'time' => 0),
-   *     array(query => '', args => array(), caller => '', target => '', time => 0),
+   *     array('query' => '', 'args' => array(), 'caller' => '', 'target' => '', 'time' => 0),
    *   ),
    * );
    *

core/lib/Drupal/Core/Datetime/DateHelper.php

@@ -531,4 +531,3 @@ class DateHelper {
   }
 
 }
-

core/lib/Drupal/Core/Datetime/Element/DateElementBase.php

@@ -70,4 +70,3 @@ abstract class DateElementBase extends FormElement {
   }
 
 }
-

core/lib/Drupal/Core/Datetime/Element/Datelist.php

@@ -61,7 +61,12 @@ class Datelist extends DateElementBase {
           unset($input['ampm']);
         }
         $timezone = !empty($element['#date_timezone']) ? $element['#date_timezone'] : NULL;
+        try {
           $date = DrupalDateTime::createFromArray($input, $timezone);
+        }
+        catch (\Exception $e) {
+          $form_state->setError($element, t('Selected combination of day and month is not valid.'));
+        }
         if ($date instanceof DrupalDateTime && !$date->hasErrors()) {
           static::incrementRound($date, $increment);
         }
@@ -318,8 +323,8 @@ class Datelist extends DateElementBase {
         if ($date instanceof DrupalDateTime && !$date->hasErrors()) {
           $form_state->setValueForElement($element, $date);
         }
-        // If the input is invalid, set an error.
+        // If the input is invalid and an error doesn't exist, set one.
-        else {
+        elseif ($form_state->getError($element) === NULL) {
           $form_state->setError($element, t('The %field date is invalid.', array('%field' => !empty($element['#title']) ? $element['#title'] : '')));
         }
       }

core/lib/Drupal/Core/DependencyInjection/ContainerBuilder.php

@@ -1,4 +1,5 @@
 <?php
+// @codingStandardsIgnoreFile
 
 namespace Drupal\Core\DependencyInjection;
 

core/lib/Drupal/Core/DependencyInjection/YamlFileLoader.php

@@ -1,4 +1,5 @@
 <?php
+// @codingStandardsIgnoreFile
 
 namespace Drupal\Core\DependencyInjection;
 

core/lib/Drupal/Core/DrupalKernel.php

@@ -2,6 +2,7 @@
 
 namespace Drupal\Core;
 
+use Drupal\Component\Assertion\Handle;
 use Drupal\Component\FileCache\FileCacheFactory;
 use Drupal\Component\Utility\Unicode;
 use Drupal\Component\Utility\UrlHelper;
@@ -18,6 +19,7 @@ use Drupal\Core\Http\TrustedHostsRequestFactory;
 use Drupal\Core\Language\Language;
 use Drupal\Core\Site\Settings;
 use Symfony\Cmf\Component\Routing\RouteObjectInterface;
+use Symfony\Component\ClassLoader\ApcClassLoader;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 use Symfony\Component\HttpFoundation\RedirectResponse;
@@ -750,11 +752,20 @@ class DrupalKernel implements DrupalKernelInterface, TerminableInterface {
   /**
    * Returns the container cache key based on the environment.
    *
+   * The 'environment' consists of:
+   * - The kernel environment string.
+   * - The Drupal version constant.
+   * - The deployment identifier from settings.php. This allows custom
+   *   deployments to force a container rebuild.
+   * - The operating system running PHP. This allows compiler passes to optimize
+   *   services for different operating systems.
+   * - The paths to any additional container YAMLs from settings.php.
+   *
    * @return string
    *   The cache key used for the service container.
    */
   protected function getContainerCacheKey() {
-    $parts = array('service_container', $this->environment, \Drupal::VERSION, Settings::get('deployment_identifier'), serialize(Settings::get('container_yamls')));
+    $parts = array('service_container', $this->environment, \Drupal::VERSION, Settings::get('deployment_identifier'), PHP_OS, serialize(Settings::get('container_yamls')));
     return implode(':', $parts);
   }
 
@@ -914,11 +925,15 @@ class DrupalKernel implements DrupalKernelInterface, TerminableInterface {
         assert_options(ASSERT_ACTIVE, TRUE);
         // Now synchronize PHP 5 and 7's handling of assertions as much as
         // possible.
-        \Drupal\Component\Assertion\Handle::register();
+        Handle::register();
 
         // Log fatal errors to the test site directory.
         ini_set('log_errors', 1);
         ini_set('error_log', DRUPAL_ROOT . '/sites/simpletest/' . substr($test_prefix, 10) . '/error.log');
+
+        // Ensure that a rewritten settings.php is used if opcache is on.
+        ini_set('opcache.validate_timestamps', 'on');
+        ini_set('opcache.revalidate_freq', 0);
       }
       else {
         // Ensure that no other code defines this.
@@ -965,7 +980,7 @@ class DrupalKernel implements DrupalKernelInterface, TerminableInterface {
         && Settings::get('class_loader_auto_detect', TRUE)
         && extension_loaded('apc')) {
       $prefix = Settings::getApcuPrefix('class_loader', $this->root);
-      $apc_loader = new \Symfony\Component\ClassLoader\ApcClassLoader($prefix, $this->classLoader);
+      $apc_loader = new ApcClassLoader($prefix, $this->classLoader);
       $this->classLoader->unregister();
       $apc_loader->register();
       $this->classLoader = $apc_loader;
@@ -1204,7 +1219,7 @@ class DrupalKernel implements DrupalKernelInterface, TerminableInterface {
     foreach ($this->serviceProviderClasses as $origin => $classes) {
       foreach ($classes as $name => $class) {
         if (!is_object($class)) {
-          $this->serviceProviders[$origin][$name] = new $class;
+          $this->serviceProviders[$origin][$name] = new $class();
         }
         else {
           $this->serviceProviders[$origin][$name] = $class;

core/lib/Drupal/Core/Entity/Controller/EntityListController.php

@@ -23,4 +23,3 @@ class EntityListController extends ControllerBase {
   }
 
 }
-

core/lib/Drupal/Core/Entity/Display/EntityFormDisplayInterface.php

@@ -55,7 +55,7 @@ interface EntityFormDisplayInterface extends EntityDisplayInterface {
    *       // For 'single-value' widgets:
    *       '#theme' => 'field_multiple_value_form',
    *       '#cardinality' => The field cardinality,
-   *       '#cardinality_multiple => TRUE if the field can contain multiple
+   *       '#cardinality_multiple' => TRUE if the field can contain multiple
    *         items, FALSE otherwise.
    *       // One sub-array per copy of the widget, keyed by delta.
    *       0 => array(

core/lib/Drupal/Core/Entity/EntityManager.php

@@ -121,7 +121,7 @@ class EntityManager implements EntityManagerInterface, ContainerAwareInterface {
    *
    * @deprecated in Drupal 8.0.0, will be removed before Drupal 9.0.0.
    */
-  public function createHandlerInstance($class, EntityTypeInterface $definition = null) {
+  public function createHandlerInstance($class, EntityTypeInterface $definition = NULL) {
     return $this->container->get('entity_type.manager')->createHandlerInstance($class, $definition);
   }
 

core/lib/Drupal/Core/Entity/Query/Sql/Tables.php

@@ -81,9 +81,20 @@ class Tables implements TablesInterface {
 
     $field_storage_definitions = $this->entityManager->getFieldStorageDefinitions($entity_type_id);
     for ($key = 0; $key <= $count; $key++) {
-      // If there is revision support and only the current revision is being
+      // This can either be the name of an entity base field or a configurable
-      // queried then use the revision id. Otherwise, the entity id will do.
+      // field.
-      if (($revision_key = $entity_type->getKey('revision')) && $all_revisions) {
+      $specifier = $specifiers[$key];
+      if (isset($field_storage_definitions[$specifier])) {
+        $field_storage = $field_storage_definitions[$specifier];
+      }
+      else {
+        $field_storage = FALSE;
+      }
+
+      // If there is revision support, only the current revisions are being
+      // queried, and the field is revisionable then use the revision id.
+      // Otherwise, the entity id will do.
+      if (($revision_key = $entity_type->getKey('revision')) && $all_revisions && $field_storage && $field_storage->isRevisionable()) {
         // This contains the relevant SQL field to be used when joining entity
         // tables.
         $entity_id_field = $revision_key;
@@ -95,15 +106,6 @@ class Tables implements TablesInterface {
         $entity_id_field = $entity_type->getKey('id');
         $field_id_field = 'entity_id';
       }
-      // This can either be the name of an entity base field or a configurable
-      // field.
-      $specifier = $specifiers[$key];
-      if (isset($field_storage_definitions[$specifier])) {
-        $field_storage = $field_storage_definitions[$specifier];
-      }
-      else {
-        $field_storage = FALSE;
-      }
 
       /** @var \Drupal\Core\Entity\Sql\DefaultTableMapping $table_mapping */
       $table_mapping = $this->entityManager->getStorage($entity_type_id)->getTableMapping();
@@ -152,11 +154,18 @@ class Tables implements TablesInterface {
         // finds the property first. The data table is preferred, which is why
         // it gets added before the base table.
         $entity_tables = array();
-        if ($data_table = $all_revisions ? $entity_type->getRevisionDataTable() : $entity_type->getDataTable()) {
+        if ($all_revisions && $field_storage && $field_storage->isRevisionable()) {
+          $data_table = $entity_type->getRevisionDataTable();
+          $entity_base_table = $entity_type->getRevisionTable();
+        }
+        else {
+          $data_table = $entity_type->getDataTable();
+          $entity_base_table = $entity_type->getBaseTable();
+        }
+        if ($data_table) {
           $this->sqlQuery->addMetaData('simple_query', FALSE);
           $entity_tables[$data_table] = $this->getTableMapping($data_table, $entity_type_id);
         }
-        $entity_base_table = $all_revisions ? $entity_type->getRevisionTable() : $entity_type->getBaseTable();
         $entity_tables[$entity_base_table] = $this->getTableMapping($entity_base_table, $entity_type_id);
         $sql_column = $specifier;
 

core/lib/Drupal/Core/Entity/entity.api.php

@@ -1263,7 +1263,9 @@ function hook_entity_query_alter(\Drupal\Core\Entity\Query\QueryInterface $query
  * Act on entities being assembled before rendering.
  *
  * @param &$build
- *   A renderable array representing the entity content.
+ *   A renderable array representing the entity content. The module may add
+ *   elements to $build prior to rendering. The structure of $build is a
+ *   renderable array as expected by drupal_render().
  * @param \Drupal\Core\Entity\EntityInterface $entity
  *   The entity object.
  * @param \Drupal\Core\Entity\Display\EntityViewDisplayInterface $display
@@ -1272,10 +1274,6 @@ function hook_entity_query_alter(\Drupal\Core\Entity\Query\QueryInterface $query
  * @param $view_mode
  *   The view mode the entity is rendered in.
  *
- * The module may add elements to $build prior to rendering. The
- * structure of $build is a renderable array as expected by
- * drupal_render().
- *
  * @see hook_entity_view_alter()
  * @see hook_ENTITY_TYPE_view()
  *
@@ -1297,7 +1295,9 @@ function hook_entity_view(array &$build, \Drupal\Core\Entity\EntityInterface $en
  * Act on entities of a particular type being assembled before rendering.
  *
  * @param &$build
- *   A renderable array representing the entity content.
+ *   A renderable array representing the entity content. The module may add
+ *   elements to $build prior to rendering. The structure of $build is a
+ *   renderable array as expected by drupal_render().
  * @param \Drupal\Core\Entity\EntityInterface $entity
  *   The entity object.
  * @param \Drupal\Core\Entity\Display\EntityViewDisplayInterface $display
@@ -1306,10 +1306,6 @@ function hook_entity_view(array &$build, \Drupal\Core\Entity\EntityInterface $en
  * @param $view_mode
  *   The view mode the entity is rendered in.
  *
- * The module may add elements to $build prior to rendering. The
- * structure of $build is a renderable array as expected by
- * drupal_render().
- *
  * @see hook_ENTITY_TYPE_view_alter()
  * @see hook_entity_view()
  *

core/lib/Drupal/Core/EventSubscriber/EntityRouteProviderSubscriber.php

@@ -68,4 +68,3 @@ class EntityRouteProviderSubscriber implements EventSubscriberInterface {
   }
 
 }
-

core/lib/Drupal/Core/Executable/ExecutablePluginBase.php

@@ -84,4 +84,3 @@ abstract class ExecutablePluginBase extends ContextAwarePluginBase implements Ex
     return $this;
   }
 }
-

core/lib/Drupal/Core/Extension/InfoParserInterface.php

@@ -60,4 +60,3 @@ interface InfoParserInterface  {
   public function parse($filename);
 
 }
-

core/lib/Drupal/Core/Extension/ModuleInstallerInterface.php

@@ -82,4 +82,3 @@ interface ModuleInstallerInterface {
   public function validateUninstall(array $module_list);
 
 }
-

core/lib/Drupal/Core/Extension/module.api.php

@@ -894,6 +894,9 @@ function hook_updater_info_alter(&$updaters) {
  * Module dependencies do not belong to these installation requirements,
  * but should be defined in the module's .info.yml file.
  *
+ * During installation (when $phase == 'install'), if you need to load a class
+ * from your module, you'll need to include the class file directly.
+ *
  * The 'runtime' phase is not limited to pure installation requirements
  * but can also be used for more general status information like maintenance
  * tasks and security issues.

core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/EntityReferenceEntityFormatter.php

@@ -25,6 +25,13 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
  */
 class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase implements ContainerFactoryPluginInterface {
 
+  /**
+   * The number of times this formatter allows rendering the same entity.
+   *
+   * @var int
+   */
+  const RECURSIVE_RENDER_LIMIT = 20;
+
   /**
    * The logger factory.
    *
@@ -47,7 +54,19 @@ class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase implem
   protected $entityDisplayRepository;
 
   /**
-   * Constructs a StringFormatter instance.
+   * An array of counters for the recursive rendering protection.
+   *
+   * Each counter takes into account all the relevant information about the
+   * field and the referenced entity that is being rendered.
+   *
+   * @see \Drupal\Core\Field\Plugin\Field\FieldFormatter\EntityReferenceEntityFormatter::viewElements()
+   *
+   * @var array
+   */
+  protected static $recursiveRenderDepth = [];
+
+  /**
+   * Constructs a EntityReferenceEntityFormatter instance.
    *
    * @param string $plugin_id
    *   The plugin_id for the formatter.
@@ -141,15 +160,35 @@ class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase implem
     $elements = array();
 
     foreach ($this->getEntitiesToView($items, $langcode) as $delta => $entity) {
+      if ($entity->id()) {
+        // Due to render caching and delayed calls, the viewElements() method
+        // will be called later in the rendering process through a '#pre_render'
+        // callback, so we need to generate a counter that takes into account
+        // all the relevant information about this field and the referenced
+        // entity that is being rendered.
+        $recursive_render_id = $items->getFieldDefinition()->getTargetEntityTypeId()
+          . $items->getFieldDefinition()->getTargetBundle()
+          . $items->getName()
+          . $entity->id();
+
+        if (isset(static::$recursiveRenderDepth[$recursive_render_id])) {
+          static::$recursiveRenderDepth[$recursive_render_id]++;
+        }
+        else {
+          static::$recursiveRenderDepth[$recursive_render_id] = 1;
+        }
+
         // Protect ourselves from recursive rendering.
-      static $depth = 0;
+        if (static::$recursiveRenderDepth[$recursive_render_id] > static::RECURSIVE_RENDER_LIMIT) {
-      $depth++;
+          $this->loggerFactory->get('entity')->error('Recursive rendering detected when rendering entity %entity_type: %entity_id, using the %field_name field on the %bundle_name bundle. Aborting rendering.', [
-      if ($depth > 20) {
+            '%entity_type' => $entity->getEntityTypeId(),
-        $this->loggerFactory->get('entity')->error('Recursive rendering detected when rendering entity @entity_type @entity_id. Aborting rendering.', array('@entity_type' => $entity->getEntityTypeId(), '@entity_id' => $entity->id()));
+            '%entity_id' => $entity->id(),
+            '%field_name' => $items->getName(),
+            '%bundle_name' => $items->getFieldDefinition()->getTargetBundle(),
+          ]);
           return $elements;
         }
 
-      if ($entity->id()) {
         $view_builder = $this->entityTypeManager->getViewBuilder($entity->getEntityTypeId());
         $elements[$delta] = $view_builder->view($entity, $view_mode, $entity->language()->getId());
 
@@ -164,7 +203,6 @@ class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase implem
         // This is an "auto_create" item.
         $elements[$delta] = array('#markup' => $entity->label());
       }
-      $depth = 0;
     }
 
     return $elements;

core/lib/Drupal/Core/Field/Plugin/Field/FieldType/BooleanItem.php

@@ -120,4 +120,3 @@ class BooleanItem extends FieldItemBase implements OptionsProviderInterface {
     return $values;
   }
 }
-

core/lib/Drupal/Core/Http/TrustedHostsRequestFactory.php

@@ -56,8 +56,8 @@ class TrustedHostsRequestFactory {
    *
    * @return \Symfony\Component\HttpFoundation\Request
    *   A new request object.
-   **/
+   */
-  public function createRequest(array $query = array(), array $request = array(), array $attributes = array(), array $cookies = array(), array $files = array(), array $server = array(), $content = null) {
+  public function createRequest(array $query = array(), array $request = array(), array $attributes = array(), array $cookies = array(), array $files = array(), array $server = array(), $content = NULL) {
     if (empty($server['HTTP_HOST']) || ($server['HTTP_HOST'] === 'localhost' && $this->host !== 'localhost')) {
       $server['HTTP_HOST'] = $this->host;
     }

core/lib/Drupal/Core/Installer/InstallerKernel.php

@@ -33,4 +33,17 @@ class InstallerKernel extends DrupalKernel {
     $this->configStorage = NULL;
   }
 
+  /**
+   * Returns the active configuration storage used during early install.
+   *
+   * This override changes the visibility so that the installer can access
+   * config storage before the container is properly built.
+   *
+   * @return \Drupal\Core\Config\StorageInterface
+   *   The config storage.
+   */
+  public function getConfigStorage() {
+    return parent::getConfigStorage();
+  }
+
 }

core/lib/Drupal/Core/KeyValueStore/KeyValueExpirableFactory.php

@@ -14,4 +14,3 @@ class KeyValueExpirableFactory extends KeyValueFactory implements KeyValueExpira
   const DEFAULT_SETTING = 'keyvalue_expirable_default';
 
 }
-

core/lib/Drupal/Core/KeyValueStore/KeyValueFactory.php

@@ -75,4 +75,3 @@ class KeyValueFactory implements KeyValueFactoryInterface {
   }
 
 }
-

core/lib/Drupal/Core/KeyValueStore/KeyValueFactoryInterface.php

@@ -19,4 +19,3 @@ interface KeyValueFactoryInterface {
   public function get($collection);
 
 }
-

core/lib/Drupal/Core/PageCache/DefaultRequestPolicy.php

@@ -2,6 +2,8 @@
 
 namespace Drupal\Core\PageCache;
 
+use Drupal\Core\PageCache\RequestPolicy\CommandLineOrUnsafeMethod;
+use Drupal\Core\PageCache\RequestPolicy\NoSessionOpen;
 use Drupal\Core\Session\SessionConfigurationInterface;
 
 /**
@@ -20,8 +22,8 @@ class DefaultRequestPolicy extends ChainRequestPolicy {
    *   The session configuration.
    */
   public function __construct(SessionConfigurationInterface $session_configuration) {
-    $this->addPolicy(new RequestPolicy\CommandLineOrUnsafeMethod());
+    $this->addPolicy(new CommandLineOrUnsafeMethod());
-    $this->addPolicy(new RequestPolicy\NoSessionOpen($session_configuration));
+    $this->addPolicy(new NoSessionOpen($session_configuration));
   }
 
 }

core/lib/Drupal/Core/PageCache/ResponsePolicy/DenyNoCacheRoutes.php

@@ -42,4 +42,3 @@ class DenyNoCacheRoutes implements ResponsePolicyInterface {
   }
 
 }
-

core/lib/Drupal/Core/Queue/QueueFactory.php

@@ -64,4 +64,3 @@ class QueueFactory implements ContainerAwareInterface {
     return $this->queues[$name];
   }
 }
-

core/lib/Drupal/Core/Render/Element/Actions.php

@@ -17,7 +17,7 @@ use Drupal\Core\Render\Element;
  * $form['actions'] = array('#type' => 'actions');
  * $form['actions']['submit'] = array(
  *   '#type' => 'submit',
- *   '#value' => t('Save'),
+ *   '#value' => $this->t('Save'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Button.php

@@ -72,9 +72,8 @@ class Button extends FormElement {
    *
    * @param array $element
    *   An associative array containing the properties of the element.
-   *   Properties used: #attributes, #button_type, #name, #value.
+   *   Properties used: #attributes, #button_type, #name, #value. The
-   *
+   *   #button_type property accepts any value, though core themes have CSS that
-   * The #button_type property accepts any value, though core themes have CSS that
    *   styles the following button_types appropriately: 'primary', 'danger'.
    *
    * @return array

core/lib/Drupal/Core/Render/Element/Checkbox.php

@@ -15,7 +15,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['copy'] = array(
  *   '#type' => 'checkbox',
- *   '#title' => t('Send me a copy'),
+ *   '#title' => $this->t('Send me a copy'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Checkboxes.php

@@ -17,8 +17,8 @@ use Drupal\Core\Form\FormStateInterface;
  * @code
  * $form['high_school']['tests_taken'] = array(
  *   '#type' => 'checkboxes',
- *   '#options' => array('SAT' => t('SAT'), 'ACT' => t('ACT'))),
+ *   '#options' => array('SAT' => $this->t('SAT'), 'ACT' => $this->t('ACT'))),
- *   '#title' => t('What standardized tests did you take?'),
+ *   '#title' => $this->t('What standardized tests did you take?'),
  *   ...
  * );
  * @endcode

core/lib/Drupal/Core/Render/Element/Color.php

@@ -16,7 +16,7 @@ use Drupal\Component\Utility\Color as ColorUtility;
  * @code
  * $form['color'] = array(
  *   '#type' => 'color',
- *   '#title' => 'Color',
+ *   '#title' => $this->t('Color'),
  *   '#default_value' => '#ffffff',
  * );
  * @endcode

core/lib/Drupal/Core/Render/Element/Container.php

@@ -15,7 +15,7 @@ use Drupal\Core\Form\FormStateInterface;
  * @code
  * $form['needs_accommodation'] = array(
  *   '#type' => 'checkbox',
- *   '#title' => 'Need Special Accommodations?',
+ *   '#title' => $this->t('Need Special Accommodations?'),
  * );
  *
  * $form['accommodation'] = array(
@@ -32,7 +32,7 @@ use Drupal\Core\Form\FormStateInterface;
  *
  * $form['accommodation']['diet'] = array(
  *   '#type' => 'textfield',
- *   '#title' => t('Dietary Restrictions'),
+ *   '#title' => $this->t('Dietary Restrictions'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Date.php

@@ -15,7 +15,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['expiration'] = array(
  *   '#type' => 'date',
- *   '#title' => t('Content expiration'),
+ *   '#title' => $this->t('Content expiration'),
  *   '#default_value' => array('year' => 2020, 'month' => 2, 'day' => 15,)
  * );
  * @endcode
@@ -76,11 +76,9 @@ class Date extends FormElement {
    * @param array $element
    *   An associative array containing the properties of the element.
    *   Properties used: #title, #value, #options, #description, #required,
-   *   #attributes, #id, #name, #type, #min, #max, #step, #value, #size.
+   *   #attributes, #id, #name, #type, #min, #max, #step, #value, #size. The
-   *
+   *   #name property will be sanitized before output. This is currently done by
-   * Note: The input "name" attribute needs to be sanitized before output, which
+   *   initializing Drupal\Core\Template\Attribute with all the attributes.
-   *       is currently done by initializing Drupal\Core\Template\Attribute with
-   *       all the attributes.
    *
    * @return array
    *   The $element with prepared variables ready for #theme 'input__date'.

core/lib/Drupal/Core/Render/Element/Details.php

@@ -20,12 +20,12 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['author'] = array(
  *   '#type' => 'details',
- *   '#title' => 'Author',
+ *   '#title' => $this->t('Author'),
  * );
  *
  * $form['author']['name'] = array(
  *   '#type' => 'textfield',
- *   '#title' => t('Name'),
+ *   '#title' => $this->t('Name'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Email.php

@@ -15,7 +15,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['email'] = array(
  *   '#type' => 'email',
- *   '#title' => t('Email'),
+ *   '#title' => $this->t('Email'),
  * );
  * @end
  *

core/lib/Drupal/Core/Render/Element/Fieldset.php

@@ -9,12 +9,12 @@ namespace Drupal\Core\Render\Element;
  * @code
  * $form['author'] = array(
  *   '#type' => 'fieldset',
- *   '#title' => 'Author',
+ *   '#title' => $this->t('Author'),
  * );
  *
  * $form['author']['name'] = array(
  *   '#type' => 'textfield',
- *   '#title' => t('Name'),
+ *   '#title' => $this->t('Name'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Number.php

@@ -21,7 +21,7 @@ use Drupal\Component\Utility\Number as NumberUtility;
  * @code
  * $form['quantity'] = array(
  *   '#type' => 'number',
- *   '#title' => t('Quantity'),
+ *   '#title' => $this->t('Quantity'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Password.php

@@ -12,7 +12,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['pass'] = array(
  *   '#type' => 'password',
- *   '#title => t('Password'),
+ *   '#title' => $this->t('Password'),
  *   '#size' => 25,
  * );
  * @endcode

core/lib/Drupal/Core/Render/Element/PasswordConfirm.php

@@ -14,7 +14,7 @@ use Drupal\Core\Form\FormStateInterface;
  * @code
  * $form['pass'] = array(
  *   '#type' => 'password_confirm',
- *   '#title' => t('Password'),
+ *   '#title' => $this->t('Password'),
  *   '#size' => 25,
  * );
  * @endcode

core/lib/Drupal/Core/Render/Element/Radio.php

@@ -43,11 +43,9 @@ class Radio extends FormElement {
    * @param array $element
    *   An associative array containing the properties of the element.
    *   Properties used: #required, #return_value, #value, #attributes, #title,
-   *   #description.
+   *   #description. The #name property will be sanitized before output. This is
-   *
+   *   currently done by initializing Drupal\Core\Template\Attribute with all
-   * Note: The input "name" attribute needs to be sanitized before output, which
+   *   the attributes.
-   *       is currently done by initializing Drupal\Core\Template\Attribute with
-   *       all the attributes.
    *
    * @return array
    *   The $element with prepared variables ready for input.html.twig.

core/lib/Drupal/Core/Render/Element/Radios.php

@@ -16,9 +16,9 @@ use Drupal\Component\Utility\Html as HtmlUtility;
  * @code
  * $form['settings']['active'] = array(
  *   '#type' => 'radios',
- *   '#title' => t('Poll status'),
+ *   '#title' => $this->t('Poll status'),
  *   '#default_value' => 1,
- *   '#options' => array(0 => t('Closed'), 1 => t('Active')),
+ *   '#options' => array(0 => $this->t('Closed'), 1 => $this->t('Active')),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Range.php

@@ -19,7 +19,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['quantity'] = array(
  *   '#type' => 'number',
- *   '#title' => t('Quantity'),
+ *   '#title' => $this->t('Quantity'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Search.php

@@ -11,7 +11,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['search'] = array(
  *   '#type' => 'search',
- *   '#title' => t('Search'),
+ *   '#title' => $this->t('Search'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Select.php

@@ -21,14 +21,14 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['example_select'] = [
  *   '#type' => 'select',
- *   '#title' => t('Select element'),
+ *   '#title' => $this->t('Select element'),
  *   '#options' => [
- *     '1' => t('One'),
+ *     '1' => $this->t('One'),
  *     '2' => [
- *       '2.1' => t('Two point one'),
+ *       '2.1' => $this->t('Two point one'),
- *       '2.2' => t('Two point two'),
+ *       '2.2' => $this->t('Two point two'),
  *     ],
- *     '3' => t('Three'),
+ *     '3' => $this->t('Three'),
  *   ],
  * ];
  * @endcode

core/lib/Drupal/Core/Render/Element/Table.php

@@ -29,20 +29,20 @@ use Drupal\Component\Utility\Html as HtmlUtility;
  * @code
  * $form['contacts'] = array(
  *   '#type' => 'table',
- *   '#caption' => 'Sample Table',
+ *   '#caption' => $this->t('Sample Table'),
- *   '#header' => array('Name', 'Phone'),
+ *   '#header' => array($this->t('Name'), $this->t('Phone')),
  * );
  *
  * for ($i=1; $i<=4; $i++) {
  *   $form['contacts'][$i]['name'] = array(
  *     '#type' => 'textfield',
- *     '#title' => t('Name'),
+ *     '#title' => $this->t('Name'),
  *     '#title_display' => 'invisible',
  *   );
  *
  *   $form['contacts'][$i]['phone'] = array(
  *     '#type' => 'tel',
- *     '#title' => t('Phone'),
+ *     '#title' => $this->t('Phone'),
  *     '#title_display' => 'invisible',
  *   );
  * }
@@ -279,7 +279,7 @@ class Table extends FormElement {
    * @code
    * $form['table'] = array(
    *   '#type' => 'table',
-   *   '#header' => array(t('Title'), array('data' => t('Operations'), 'colspan' => '1')),
+   *   '#header' => array($this->t('Title'), array('data' => $this->t('Operations'), 'colspan' => '1')),
    *   // Optionally, to add tableDrag support:
    *   '#tabledrag' => array(
    *     array(
@@ -301,7 +301,7 @@ class Table extends FormElement {
    *   $form['table'][$row]['#attributes']['class'][] = 'draggable';
    *   $form['table'][$row]['weight'] = array(
    *     '#type' => 'textfield',
-   *     '#title' => t('Weight for @title', array('@title' => $thing['title'])),
+   *     '#title' => $this->t('Weight for @title', array('@title' => $thing['title'])),
    *     '#title_display' => 'invisible',
    *     '#size' => 4,
    *     '#default_value' => $thing['weight'],
@@ -312,7 +312,7 @@ class Table extends FormElement {
    *   // attribute in #header above.
    *   $form['table'][$row]['edit'] = array(
    *     '#type' => 'link',
-   *     '#title' => t('Edit'),
+   *     '#title' => $this->t('Edit'),
    *     '#url' => Url::fromRoute('entity.test_entity.edit_form', ['test_entity' => $row]),
    *   );
    * }

core/lib/Drupal/Core/Render/Element/Tableselect.php

@@ -26,8 +26,8 @@ use Drupal\Core\StringTranslation\TranslatableMarkup;
  * Usage example:
  * @code
  * $header = [
- *   'first_name' => t('First Name'),
+ *   'first_name' => $this->t('First Name'),
- *   'last_name' => t('Last Name'),
+ *   'last_name' => $this->t('Last Name'),
  * ];
  *
  * $options = [
@@ -40,7 +40,7 @@ use Drupal\Core\StringTranslation\TranslatableMarkup;
  *   '#type' => 'tableselect',
  *   '#header' => $header,
  *   '#options' => $options,
- *   '#empty' => t('No users found'),
+ *   '#empty' => $this->t('No users found'),
  * );
  * @endcode
  *
@@ -118,28 +118,28 @@ class Tableselect extends Table {
    *   @code
    *     $options = array(
    *       array(
-   *         'title' => 'How to Learn Drupal',
+   *         'title' => $this->t('How to Learn Drupal'),
-   *         'content_type' => 'Article',
+   *         'content_type' => $this->t('Article'),
    *         'status' => 'published',
    *         '#attributes' => array('class' => array('article-row')),
    *       ),
    *       array(
-   *         'title' => 'Privacy Policy',
+   *         'title' => $this->t('Privacy Policy'),
-   *         'content_type' => 'Page',
+   *         'content_type' => $this->t('Page'),
    *         'status' => 'published',
    *         '#attributes' => array('class' => array('page-row')),
    *       ),
    *     );
    *     $header = array(
-   *       'title' => t('Title'),
+   *       'title' => $this->t('Title'),
-   *       'content_type' => t('Content type'),
+   *       'content_type' => $this->t('Content type'),
-   *       'status' => t('Status'),
+   *       'status' => $this->t('Status'),
    *     );
    *     $form['table'] = array(
    *       '#type' => 'tableselect',
    *       '#header' => $header,
    *       '#options' => $options,
-   *       '#empty' => t('No content available.'),
+   *       '#empty' => $this->t('No content available.'),
    *     );
    *   @endcode
    *

core/lib/Drupal/Core/Render/Element/Tel.php

@@ -14,7 +14,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['phone'] = array(
  *   '#type' => 'tel',
- *   '#title' => t('Phone'),
+ *   '#title' => $this->t('Phone'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Textarea.php

@@ -17,7 +17,7 @@ use Drupal\Core\Form\FormStateInterface;
  * @code
  * $form['text'] = array(
  *   '#type' => 'textarea',
- *   '#title' => t('Text'),
+ *   '#title' => $this->t('Text'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Textfield.php

@@ -20,7 +20,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['title'] = array(
  *   '#type' => 'textfield',
- *   '#title' => t('Subject'),
+ *   '#title' => $this->t('Subject'),
  *   '#default_value' => $node->title,
  *   '#size' => 60,
  *   '#maxlength' => 128,

core/lib/Drupal/Core/Render/Element/Url.php

@@ -16,7 +16,7 @@ use Drupal\Core\Render\Element;
  * @code
  * $form['homepage'] = array(
  *   '#type' => 'url',
- *   '#title' => t('Home Page'),
+ *   '#title' => $this->t('Home Page'),
  *   '#size' => 30,
  *   ...
  * );

core/lib/Drupal/Core/Render/Element/VerticalTabs.php

@@ -24,24 +24,24 @@ use Drupal\Core\Render\Element;
  *
  * $form['author'] = array(
  *   '#type' => 'details',
- *   '#title' => 'Author',
+ *   '#title' => $this->t('Author'),
  *   '#group' => 'information',
  * );
  *
  * $form['author']['name'] = array(
  *   '#type' => 'textfield',
- *   '#title' => t('Name'),
+ *   '#title' => $this->t('Name'),
  * );
  *
  * $form['publication'] = array(
  *   '#type' => 'details',
- *   '#title' => t('Publication'),
+ *   '#title' => $this->t('Publication'),
  *   '#group' => 'information',
  * );
  *
  * $form['publication']['publisher'] = array(
  *   '#type' => 'textfield',
- *   '#title' => t('Publisher'),
+ *   '#title' => $this->t('Publisher'),
  * );
  * @endcode
  *

core/lib/Drupal/Core/Render/Element/Weight.php

@@ -18,7 +18,7 @@ use Drupal\Core\Form\FormStateInterface;
  * @code
  * $form['weight'] = array(
  *   '#type' => 'weight',
- *   '#title' => t('Weight'),
+ *   '#title' => $this->t('Weight'),
  *   '#default_value' => $edit['weight'],
  *   '#delta' => 10,
  * );

core/lib/Drupal/Core/Render/PlaceholderingRenderCache.php

@@ -92,6 +92,11 @@ class PlaceholderingRenderCache extends RenderCache {
    * {@inheritdoc}
    */
   public function get(array $elements) {
+    // @todo remove this check when https://www.drupal.org/node/2367555 lands.
+    if (!$this->requestStack->getCurrentRequest()->isMethodSafe()) {
+      return FALSE;
+    }
+
     // When rendering placeholders, special case auto-placeholdered elements:
     // avoid retrieving them from cache again, or rendering them again.
     if (isset($elements['#create_placeholder']) && $elements['#create_placeholder'] === FALSE) {
@@ -121,6 +126,11 @@ class PlaceholderingRenderCache extends RenderCache {
   public function set(array &$elements, array $pre_bubbling_elements) {
     $result = parent::set($elements, $pre_bubbling_elements);
 
+    // @todo remove this check when https://www.drupal.org/node/2367555 lands.
+    if (!$this->requestStack->getCurrentRequest()->isMethodSafe()) {
+      return FALSE;
+    }
+
     if ($this->placeholderGenerator->canCreatePlaceholder($pre_bubbling_elements) && $this->placeholderGenerator->shouldAutomaticallyPlaceholder($elements)) {
       // Overwrite $elements with a placeholder. The Renderer (which called this
       // method) will update the context with the bubbleable metadata of the

core/lib/Drupal/Core/Render/Renderer.php

@@ -338,7 +338,9 @@ class Renderer implements RendererInterface {
     // If instructed to create a placeholder, and a #lazy_builder callback is
     // present (without such a callback, it would be impossible to replace the
     // placeholder), replace the current element with a placeholder.
-    if (isset($elements['#create_placeholder']) && $elements['#create_placeholder'] === TRUE) {
+    // @todo remove the isMethodSafe() check when
+    //       https://www.drupal.org/node/2367555 lands.
+    if (isset($elements['#create_placeholder']) && $elements['#create_placeholder'] === TRUE && $this->requestStack->getCurrentRequest()->isMethodSafe()) {
       if (!isset($elements['#lazy_builder'])) {
         throw new \LogicException('When #create_placeholder is set, a #lazy_builder callback must be present as well.');
       }

core/lib/Drupal/Core/Routing/AccessAwareRouter.php

@@ -134,4 +134,3 @@ class AccessAwareRouter implements AccessAwareRouterInterface {
   }
 
 }
-

core/lib/Drupal/Core/Routing/CompiledRoute.php

@@ -61,7 +61,7 @@ class CompiledRoute extends SymfonyCompiledRoute {
    * @param array $variables
    *   An array of variables (variables defined in the path and in the host patterns)
    */
-  public function __construct($fit, $pattern_outline, $num_parts, $staticPrefix, $regex, array $tokens, array $pathVariables, $hostRegex = null, array $hostTokens = array(), array $hostVariables = array(), array $variables = array()) {
+  public function __construct($fit, $pattern_outline, $num_parts, $staticPrefix, $regex, array $tokens, array $pathVariables, $hostRegex = NULL, array $hostTokens = array(), array $hostVariables = array(), array $variables = array()) {
     parent::__construct($staticPrefix, $regex, $tokens, $pathVariables, $hostRegex, $hostTokens, $hostVariables, $variables);
 
     $this->fit = $fit;

core/lib/Drupal/Core/Routing/RouteProvider.php

@@ -207,14 +207,14 @@ class RouteProvider implements PreloadableRouteProviderInterface, PagedRouteProv
       else {
         try {
           $result = $this->connection->query('SELECT name, route FROM {' . $this->connection->escapeTable($this->tableName) . '} WHERE name IN ( :names[] )', array(':names[]' => $routes_to_load));
-        }
-        catch (\Exception $e) {
-          $result = [];
-        }
           $routes = $result->fetchAllKeyed();
 
           $this->cache->set($cid, $routes, Cache::PERMANENT, ['routes']);
         }
+        catch (\Exception $e) {
+          $routes = [];
+        }
+      }
 
       $this->serializedRoutes += $routes;
     }

core/lib/Drupal/Core/Routing/UrlGenerator.php

@@ -153,7 +153,6 @@ class UrlGenerator implements UrlGeneratorInterface {
    * @param string $name
    *   The route name or other identifying string from ::getRouteDebugMessage().
    *
-   *
    * @return string
    *   The url path, without any base path, including possible query string.
    *

core/lib/Drupal/Core/SitePathFactory.php

@@ -35,4 +35,3 @@ class SitePathFactory {
   }
 
 }
-

core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php

@@ -49,4 +49,3 @@ class KernelPreHandle implements HttpKernelInterface {
   }
 
 }
-

core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php

@@ -39,7 +39,7 @@ class NegotiationMiddleware implements HttpKernelInterface {
   /**
    * {@inheritdoc}
    */
-  public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = true) {
+  public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
     // Register available mime types.
     foreach ($this->formats as $format => $mime_type) {
       $request->setFormat($format, $mime_type);

core/lib/Drupal/Core/Template/Loader/StringLoader.php

@@ -52,7 +52,7 @@ class StringLoader implements \Twig_LoaderInterface, \Twig_ExistsLoaderInterface
    * {@inheritdoc}
    */
   public function isFresh($name, $time) {
-    return true;
+    return TRUE;
   }
 
 }

core/lib/Drupal/Core/Template/TwigExtension.php

@@ -150,12 +150,12 @@ class TwigExtension extends \Twig_Extension {
       new \Twig_SimpleFilter('placeholder', [$this, 'escapePlaceholder'], array('is_safe' => array('html'), 'needs_environment' => TRUE)),
 
       // Replace twig's escape filter with our own.
-      new \Twig_SimpleFilter('drupal_escape', [$this, 'escapeFilter'], array('needs_environment' => true, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
+      new \Twig_SimpleFilter('drupal_escape', [$this, 'escapeFilter'], array('needs_environment' => TRUE, 'is_safe_callback' => 'twig_escape_filter_is_safe')),
 
       // Implements safe joining.
       // @todo Make that the default for |join? Upstream issue:
       //   https://github.com/fabpot/Twig/issues/1420
-      new \Twig_SimpleFilter('safe_join', [$this, 'safeJoin'], ['needs_environment' => true, 'is_safe' => ['html']]),
+      new \Twig_SimpleFilter('safe_join', [$this, 'safeJoin'], ['needs_environment' => TRUE, 'is_safe' => ['html']]),
 
       // Array filters.
       new \Twig_SimpleFilter('without', 'twig_without'),
@@ -547,7 +547,7 @@ class TwigExtension extends \Twig_Extension {
    */
   public function safeJoin(\Twig_Environment $env, $value, $glue = '') {
     if ($value instanceof \Traversable) {
-      $value = iterator_to_array($value, false);
+      $value = iterator_to_array($value, FALSE);
     }
 
     return implode($glue, array_map(function($item) use ($env) {