611 lines
20 KiB
PHP
611 lines
20 KiB
PHP
<?php
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/**
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* SimplePie
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*
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* A PHP-Based RSS and Atom Feed Framework.
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* Takes the hard work out of managing a complete RSS/Atom solution.
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*
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* Copyright (c) 2004-2012, Ryan Parman, Geoffrey Sneddon, Ryan McCue, and contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are
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* permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* * Neither the name of the SimplePie Team nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
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* AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @package SimplePie
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* @version 1.3.1
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* @copyright 2004-2012 Ryan Parman, Geoffrey Sneddon, Ryan McCue
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* @author Ryan Parman
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* @author Geoffrey Sneddon
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* @author Ryan McCue
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* @link http://simplepie.org/ SimplePie
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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*/
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/**
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* Handles `<atom:source>`
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*
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* Used by {@see SimplePie_Item::get_source()}
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*
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* This class can be overloaded with {@see SimplePie::set_source_class()}
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*
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* @package SimplePie
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* @subpackage API
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*/
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class SimplePie_Source
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{
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var $item;
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var $data = array();
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protected $registry;
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public function __construct($item, $data)
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{
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$this->item = $item;
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$this->data = $data;
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}
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public function set_registry(SimplePie_Registry $registry)
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{
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$this->registry = $registry;
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}
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public function __toString()
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{
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return md5(serialize($this->data));
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}
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public function get_source_tags($namespace, $tag)
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{
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if (isset($this->data['child'][$namespace][$tag]))
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{
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return $this->data['child'][$namespace][$tag];
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}
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else
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{
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return null;
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}
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}
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public function get_base($element = array())
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{
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return $this->item->get_base($element);
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}
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public function sanitize($data, $type, $base = '')
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{
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return $this->item->sanitize($data, $type, $base);
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}
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public function get_item()
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{
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return $this->item;
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}
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public function get_title()
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{
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if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title'))
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{
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return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
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}
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elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title'))
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{
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return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
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}
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elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title'))
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{
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return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
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}
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elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title'))
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{
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return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
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}
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elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title'))
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{
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return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
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}
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elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title'))
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{
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return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title'))
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{
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return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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else
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{
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return null;
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}
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}
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public function get_category($key = 0)
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{
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$categories = $this->get_categories();
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if (isset($categories[$key]))
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{
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return $categories[$key];
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}
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else
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{
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return null;
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}
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}
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public function get_categories()
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{
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$categories = array();
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category)
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{
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$term = null;
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$scheme = null;
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$label = null;
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if (isset($category['attribs']['']['term']))
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{
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$term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if (isset($category['attribs']['']['scheme']))
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{
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$scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if (isset($category['attribs']['']['label']))
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{
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$label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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$categories[] = $this->registry->create('Category', array($term, $scheme, $label));
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}
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category)
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{
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// This is really the label, but keep this as the term also for BC.
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// Label will also work on retrieving because that falls back to term.
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$term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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if (isset($category['attribs']['']['domain']))
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{
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$scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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else
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{
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$scheme = null;
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}
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$categories[] = $this->registry->create('Category', array($term, $scheme, null));
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}
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category)
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{
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$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
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}
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category)
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{
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$categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
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}
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if (!empty($categories))
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{
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return array_unique($categories);
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}
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else
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{
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return null;
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}
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}
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public function get_author($key = 0)
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{
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$authors = $this->get_authors();
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if (isset($authors[$key]))
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{
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return $authors[$key];
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}
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else
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{
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return null;
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}
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}
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public function get_authors()
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{
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$authors = array();
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author)
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{
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$name = null;
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$uri = null;
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$email = null;
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if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
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{
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$name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
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{
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$uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
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}
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if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
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{
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$email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if ($name !== null || $email !== null || $uri !== null)
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{
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$authors[] = $this->registry->create('Author', array($name, $uri, $email));
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}
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}
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if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author'))
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{
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$name = null;
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$url = null;
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$email = null;
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if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
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{
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$name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
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{
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$url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
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}
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if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
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{
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$email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if ($name !== null || $email !== null || $url !== null)
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{
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$authors[] = $this->registry->create('Author', array($name, $url, $email));
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}
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}
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author)
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{
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$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
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}
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author)
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{
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$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
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}
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author)
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{
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$authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null));
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}
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if (!empty($authors))
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{
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return array_unique($authors);
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}
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else
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{
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return null;
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}
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}
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public function get_contributor($key = 0)
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{
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$contributors = $this->get_contributors();
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if (isset($contributors[$key]))
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{
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return $contributors[$key];
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}
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else
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{
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return null;
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}
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}
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public function get_contributors()
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{
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$contributors = array();
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor)
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{
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$name = null;
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$uri = null;
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$email = null;
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if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data']))
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{
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$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']))
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{
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$uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]));
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}
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if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data']))
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{
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$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if ($name !== null || $email !== null || $uri !== null)
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{
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$contributors[] = $this->registry->create('Author', array($name, $uri, $email));
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}
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}
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foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor)
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{
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$name = null;
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$url = null;
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$email = null;
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if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data']))
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{
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$name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data']))
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{
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$url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]));
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}
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if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data']))
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{
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$email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
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}
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if ($name !== null || $email !== null || $url !== null)
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{
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$contributors[] = $this->registry->create('Author', array($name, $url, $email));
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}
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}
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if (!empty($contributors))
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{
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return array_unique($contributors);
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}
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else
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{
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return null;
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}
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}
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public function get_link($key = 0, $rel = 'alternate')
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{
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$links = $this->get_links($rel);
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if (isset($links[$key]))
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{
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return $links[$key];
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}
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else
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{
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return null;
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}
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}
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/**
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* Added for parity between the parent-level and the item/entry-level.
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*/
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public function get_permalink()
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{
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return $this->get_link(0);
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}
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public function get_links($rel = 'alternate')
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{
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if (!isset($this->data['links']))
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{
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$this->data['links'] = array();
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if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link'))
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{
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foreach ($links as $link)
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{
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if (isset($link['attribs']['']['href']))
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{
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$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
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$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
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}
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}
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}
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if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link'))
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{
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foreach ($links as $link)
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{
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if (isset($link['attribs']['']['href']))
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{
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$link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate';
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$this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link));
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}
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}
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}
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if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link'))
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{
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$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
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}
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if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link'))
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{
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$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
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}
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if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link'))
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{
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$this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0]));
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}
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$keys = array_keys($this->data['links']);
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foreach ($keys as $key)
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{
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if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key)))
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{
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if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]))
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{
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$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]);
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$this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key];
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}
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else
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{
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$this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key];
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}
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}
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elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY)
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{
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$this->data['links'][substr($key, 41)] =& $this->data['links'][$key];
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}
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$this->data['links'][$key] = array_unique($this->data['links'][$key]);
|
|
}
|
|
}
|
|
|
|
if (isset($this->data['links'][$rel]))
|
|
{
|
|
return $this->data['links'][$rel];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_description()
|
|
{
|
|
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0]));
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_copyright()
|
|
{
|
|
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_language()
|
|
{
|
|
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
elseif (isset($this->data['xml_lang']))
|
|
{
|
|
return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT);
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_latitude()
|
|
{
|
|
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
|
|
{
|
|
return (float) $match[1];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_longitude()
|
|
{
|
|
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon'))
|
|
{
|
|
return (float) $return[0]['data'];
|
|
}
|
|
elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match))
|
|
{
|
|
return (float) $match[2];
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
public function get_image_url()
|
|
{
|
|
if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image'))
|
|
{
|
|
return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI);
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
|
|
{
|
|
return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
|
|
}
|
|
else
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|