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Direktori : /var/www/projetos/deutsch.ongrace.com/wp-includes/SimplePie/ |
Current File : /var/www/projetos/deutsch.ongrace.com/wp-includes/SimplePie/Item.php |
<?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2016, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License */ /** * Manages all item-related data * * Used by {@see SimplePie::get_item()} and {@see SimplePie::get_items()} * * This class can be overloaded with {@see SimplePie::set_item_class()} * * @package SimplePie * @subpackage API */ class SimplePie_Item { /** * Parent feed * * @access private * @var SimplePie */ var $feed; /** * Raw data * * @access private * @var array */ var $data = array(); /** * Registry object * * @see set_registry * @var SimplePie_Registry */ protected $registry; /** * Create a new item object * * This is usually used by {@see SimplePie::get_items} and * {@see SimplePie::get_item}. Avoid creating this manually. * * @param SimplePie $feed Parent feed * @param array $data Raw data */ public function __construct($feed, $data) { $this->feed = $feed; $this->data = $data; } /** * Set the registry handler * * This is usually used by {@see SimplePie_Registry::create} * * @since 1.3 * @param SimplePie_Registry $registry */ public function set_registry(SimplePie_Registry $registry) { $this->registry = $registry; } /** * Get a string representation of the item * * @return string */ public function __toString() { return md5(serialize($this->data)); } /** * Remove items that link back to this before destroying this object */ public function __destruct() { if (!gc_enabled()) { unset($this->feed); } } /** * Get data for an item-level element * * This method allows you to get access to ANY element/attribute that is a * sub-element of the item/entry tag. * * See {@see SimplePie::get_feed_tags()} for a description of the return value * * @since 1.0 * @see http://simplepie.org/wiki/faq/supported_xml_namespaces * @param string $namespace The URL of the XML namespace of the elements you're trying to access * @param string $tag Tag name * @return array */ public function get_item_tags($namespace, $tag) { if (isset($this->data['child'][$namespace][$tag])) { return $this->data['child'][$namespace][$tag]; } return null; } /** * Get the base URL value from the parent feed * * Uses `<xml:base>` * * @param array $element * @return string */ public function get_base($element = array()) { return $this->feed->get_base($element); } /** * Sanitize feed data * * @access private * @see SimplePie::sanitize() * @param string $data Data to sanitize * @param int $type One of the SIMPLEPIE_CONSTRUCT_* constants * @param string $base Base URL to resolve URLs against * @return string Sanitized data */ public function sanitize($data, $type, $base = '') { return $this->feed->sanitize($data, $type, $base); } /** * Get the parent feed * * Note: this may not work as you think for multifeeds! * * @link http://simplepie.org/faq/typical_multifeed_gotchas#missing_data_from_feed * @since 1.0 * @return SimplePie */ public function get_feed() { return $this->feed; } /** * Get the unique identifier for the item * * This is usually used when writing code to check for new items in a feed. * * Uses `<atom:id>`, `<guid>`, `<dc:identifier>` or the `about` attribute * for RDF. If none of these are supplied (or `$hash` is true), creates an * MD5 hash based on the permalink, title and content. * * @since Beta 2 * @param boolean $hash Should we force using a hash instead of the supplied ID? * @param string|false $fn User-supplied function to generate an hash * @return string|null */ public function get_id($hash = false, $fn = 'md5') { if (!$hash) { if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'id')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'id')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'identifier')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'identifier')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif (isset($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about'])) { return $this->sanitize($this->data['attribs'][SIMPLEPIE_NAMESPACE_RDF]['about'], SIMPLEPIE_CONSTRUCT_TEXT); } } if ($fn === false) { return null; } elseif (!is_callable($fn)) { trigger_error('User-supplied function $fn must be callable', E_USER_WARNING); $fn = 'md5'; } return call_user_func($fn, $this->get_permalink().$this->get_title().$this->get_content()); } /** * Get the title of the item * * Uses `<atom:title>`, `<title>` or `<dc:title>` * * @since Beta 2 (previously called `get_item_title` since 0.8) * @return string|null */ public function get_title() { if (!isset($this->data['title'])) { if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($return[0]['attribs'])), $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) { $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $this->data['title'] = null; } } return $this->data['title']; } /** * Get the content for the item * * Prefers summaries over full content , but will return full content if a * summary does not exist. * * To prefer full content instead, use {@see get_content} * * Uses `<atom:summary>`, `<description>`, `<dc:description>` or * `<itunes:subtitle>` * * @since 0.8 * @param boolean $description_only Should we avoid falling back to the content? * @return string|null */ public function get_description($description_only = false) { if (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary')) && ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_10_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary')) && ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) && ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) && ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) && ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) && ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) && ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) && ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) && ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML))) { return $return; } elseif (!$description_only) { return $this->get_content(true); } return null; } /** * Get the content for the item * * Prefers full content over summaries, but will return a summary if full * content does not exist. * * To prefer summaries instead, use {@see get_description} * * Uses `<atom:content>` or `<content:encoded>` (RSS 1.0 Content Module) * * @since 1.0 * @param boolean $content_only Should we avoid falling back to the description? * @return string|null */ public function get_content($content_only = false) { if (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content')) && ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_10_content_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content')) && ($return = $this->sanitize($tags[0]['data'], $this->registry->call('Misc', 'atom_03_construct_type', array($tags[0]['attribs'])), $this->get_base($tags[0])))) { return $return; } elseif (($tags = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded')) && ($return = $this->sanitize($tags[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($tags[0])))) { return $return; } elseif (!$content_only) { return $this->get_description(true); } return null; } /** * Get the media:thumbnail of the item * * Uses `<media:thumbnail>` * * * @return array|null */ public function get_thumbnail() { if (!isset($this->data['thumbnail'])) { if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail')) { $this->data['thumbnail'] = $return[0]['attribs']['']; } else { $this->data['thumbnail'] = null; } } return $this->data['thumbnail']; } /** * Get a category for the item * * @since Beta 3 (previously called `get_categories()` since Beta 2) * @param int $key The category that you want to return. Remember that arrays begin with 0, not 1 * @return SimplePie_Category|null */ public function get_category($key = 0) { $categories = $this->get_categories(); if (isset($categories[$key])) { return $categories[$key]; } return null; } /** * Get all categories for the item * * Uses `<atom:category>`, `<category>` or `<dc:subject>` * * @since Beta 3 * @return SimplePie_Category[]|null List of {@see SimplePie_Category} objects */ public function get_categories() { $categories = array(); $type = 'category'; foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, $type) as $category) { $term = null; $scheme = null; $label = null; if (isset($category['attribs']['']['term'])) { $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories[] = $this->registry->create('Category', array($term, $scheme, $label, $type)); } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, $type) as $category) { // This is really the label, but keep this as the term also for BC. // Label will also work on retrieving because that falls back to term. $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); if (isset($category['attribs']['']['domain'])) { $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $scheme = null; } $categories[] = $this->registry->create('Category', array($term, $scheme, null, $type)); } $type = 'subject'; foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, $type) as $category) { $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null, $type)); } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, $type) as $category) { $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null, $type)); } if (!empty($categories)) { return array_unique($categories); } return null; } /** * Get an author for the item * * @since Beta 2 * @param int $key The author that you want to return. Remember that arrays begin with 0, not 1 * @return SimplePie_Author|null */ public function get_author($key = 0) { $authors = $this->get_authors(); if (isset($authors[$key])) { return $authors[$key]; } return null; } /** * Get a contributor for the item * * @since 1.1 * @param int $key The contrbutor that you want to return. Remember that arrays begin with 0, not 1 * @return SimplePie_Author|null */ public function get_contributor($key = 0) { $contributors = $this->get_contributors(); if (isset($contributors[$key])) { return $contributors[$key]; } return null; } /** * Get all contributors for the item * * Uses `<atom:contributor>` * * @since 1.1 * @return SimplePie_Author[]|null List of {@see SimplePie_Author} objects */ public function get_contributors() { $contributors = array(); foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) { $name = null; $uri = null; $email = null; if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) { $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])); } if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $uri !== null) { $contributors[] = $this->registry->create('Author', array($name, $uri, $email)); } } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) { $name = null; $url = null; $email = null; if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) { $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])); } if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $url !== null) { $contributors[] = $this->registry->create('Author', array($name, $url, $email)); } } if (!empty($contributors)) { return array_unique($contributors); } return null; } /** * Get all authors for the item * * Uses `<atom:author>`, `<author>`, `<dc:creator>` or `<itunes:author>` * * @since Beta 2 * @return SimplePie_Author[]|null List of {@see SimplePie_Author} objects */ public function get_authors() { $authors = array(); foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) { $name = null; $uri = null; $email = null; if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) { $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) { $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])); } if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) { $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $uri !== null) { $authors[] = $this->registry->create('Author', array($name, $uri, $email)); } } if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) { $name = null; $url = null; $email = null; if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) { $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) { $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])); } if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) { $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if ($name !== null || $email !== null || $url !== null) { $authors[] = $this->registry->create('Author', array($name, $url, $email)); } } if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'author')) { $authors[] = $this->registry->create('Author', array(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT))); } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) { $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) { $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) { $authors[] = $this->registry->create('Author', array($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } if (!empty($authors)) { return array_unique($authors); } elseif (($source = $this->get_source()) && ($authors = $source->get_authors())) { return $authors; } elseif ($authors = $this->feed->get_authors()) { return $authors; } return null; } /** * Get the copyright info for the item * * Uses `<atom:rights>` or `<dc:rights>` * * @since 1.1 * @return string */ public function get_copyright() { if ($return = $this->get_item_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_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) { return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } return null; } /** * Get the posting date/time for the item * * Uses `<atom:published>`, `<atom:updated>`, `<atom:issued>`, * `<atom:modified>`, `<pubDate>` or `<dc:date>` * * Note: obeys PHP's timezone setting. To get a UTC date/time, use * {@see get_gmdate} * * @since Beta 2 (previously called `get_item_date` since 0.8) * * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data) * @return int|string|null */ public function get_date($date_format = 'j F Y, g:i a') { if (!isset($this->data['date'])) { if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'published')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created')) { $this->data['date']['raw'] = $return[0]['data']; } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified')) { $this->data['date']['raw'] = $return[0]['data']; } if (!empty($this->data['date']['raw'])) { $parser = $this->registry->call('Parse_Date', 'get'); $this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']); } else { $this->data['date'] = null; } } if ($this->data['date']) { $date_format = (string) $date_format; switch ($date_format) { case '': return $this->sanitize($this->data['date']['raw'], SIMPLEPIE_CONSTRUCT_TEXT); case 'U': return $this->data['date']['parsed']; default: return date($date_format, $this->data['date']['parsed']); } } return null; } /** * Get the update date/time for the item * * Uses `<atom:updated>` * * Note: obeys PHP's timezone setting. To get a UTC date/time, use * {@see get_gmdate} * * @param string $date_format Supports any PHP date format from {@see http://php.net/date} (empty for the raw data) * @return int|string|null */ public function get_updated_date($date_format = 'j F Y, g:i a') { if (!isset($this->data['updated'])) { if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated')) { $this->data['updated']['raw'] = $return[0]['data']; } if (!empty($this->data['updated']['raw'])) { $parser = $this->registry->call('Parse_Date', 'get'); $this->data['updated']['parsed'] = $parser->parse($this->data['updated']['raw']); } else { $this->data['updated'] = null; } } if ($this->data['updated']) { $date_format = (string) $date_format; switch ($date_format) { case '': return $this->sanitize($this->data['updated']['raw'], SIMPLEPIE_CONSTRUCT_TEXT); case 'U': return $this->data['updated']['parsed']; default: return date($date_format, $this->data['updated']['parsed']); } } return null; } /** * Get the localized posting date/time for the item * * Returns the date formatted in the localized language. To display in * languages other than the server's default, you need to change the locale * with {@link http://php.net/setlocale setlocale()}. The available * localizations depend on which ones are installed on your web server. * * @since 1.0 * * @param string $date_format Supports any PHP date format from {@see http://php.net/strftime} (empty for the raw data) * @return int|string|null */ public function get_local_date($date_format = '%c') { if (!$date_format) { return $this->sanitize($this->get_date(''), SIMPLEPIE_CONSTRUCT_TEXT); } elseif (($date = $this->get_date('U')) !== null && $date !== false) { return strftime($date_format, $date); } return null; } /** * Get the posting date/time for the item (UTC time) * * @see get_date * @param string $date_format Supports any PHP date format from {@see http://php.net/date} * @return int|string|null */ public function get_gmdate($date_format = 'j F Y, g:i a') { $date = $this->get_date('U'); if ($date === null) { return null; } return gmdate($date_format, $date); } /** * Get the update date/time for the item (UTC time) * * @see get_updated_date * @param string $date_format Supports any PHP date format from {@see http://php.net/date} * @return int|string|null */ public function get_updated_gmdate($date_format = 'j F Y, g:i a') { $date = $this->get_updated_date('U'); if ($date === null) { return null; } return gmdate($date_format, $date); } /** * Get the permalink for the item * * Returns the first link available with a relationship of "alternate". * Identical to {@see get_link()} with key 0 * * @see get_link * @since 0.8 * @return string|null Permalink URL */ public function get_permalink() { $link = $this->get_link(); $enclosure = $this->get_enclosure(0); if ($link !== null) { return $link; } elseif ($enclosure !== null) { return $enclosure->get_link(); } return null; } /** * Get a single link for the item * * @since Beta 3 * @param int $key The link that you want to return. Remember that arrays begin with 0, not 1 * @param string $rel The relationship of the link to return * @return string|null Link URL */ public function get_link($key = 0, $rel = 'alternate') { $links = $this->get_links($rel); if ($links && $links[$key] !== null) { return $links[$key]; } return null; } /** * Get all links for the item * * Uses `<atom:link>`, `<link>` or `<guid>` * * @since Beta 2 * @param string $rel The relationship of links to return * @return array|null Links found for the item (strings) */ public function get_links($rel = 'alternate') { if (!isset($this->data['links'])) { $this->data['links'] = array(); foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); } } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link) { if (isset($link['attribs']['']['href'])) { $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); } } if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); } if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid')) { if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) === 'true') { $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); } } $keys = array_keys($this->data['links']); foreach ($keys as $key) { if ($this->registry->call('Misc', 'is_isegment_nz_nc', array($key))) { if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) { $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]); $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]; } else { $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key]; } } elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) { $this->data['links'][substr($key, 41)] =& $this->data['links'][$key]; } $this->data['links'][$key] = array_unique($this->data['links'][$key]); } } if (isset($this->data['links'][$rel])) { return $this->data['links'][$rel]; } return null; } /** * Get an enclosure from the item * * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS. * * @since Beta 2 * @todo Add ability to prefer one type of content over another (in a media group). * @param int $key The enclosure that you want to return. Remember that arrays begin with 0, not 1 * @return SimplePie_Enclosure|null */ public function get_enclosure($key = 0, $prefer = null) { $enclosures = $this->get_enclosures(); if (isset($enclosures[$key])) { return $enclosures[$key]; } return null; } /** * Get all available enclosures (podcasts, etc.) * * Supports the <enclosure> RSS tag, as well as Media RSS and iTunes RSS. * * At this point, we're pretty much assuming that all enclosures for an item * are the same content. Anything else is too complicated to * properly support. * * @since Beta 2 * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4). * @todo If an element exists at a level, but its value is empty, we should fall back to the value from the parent (if it exists). * @return SimplePie_Enclosure[]|null List of SimplePie_Enclosure items */ public function get_enclosures() { if (!isset($this->data['enclosures'])) { $this->data['enclosures'] = array(); // Elements $captions_parent = null; $categories_parent = null; $copyrights_parent = null; $credits_parent = null; $description_parent = null; $duration_parent = null; $hashes_parent = null; $keywords_parent = null; $player_parent = null; $ratings_parent = null; $restrictions_parent = null; $thumbnails_parent = null; $title_parent = null; // Let's do the channel and item-level ones first, and just re-use them if we need to. $parent = $this->get_feed(); // CAPTIONS if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text')) { foreach ($captions as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $captions_parent[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); } } elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text')) { foreach ($captions as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $captions_parent[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); } } if (is_array($captions_parent)) { $captions_parent = array_values(array_unique($captions_parent)); } // CATEGORIES foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label)); } foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label)); } foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'category') as $category) { $term = null; $scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd'; $label = null; if (isset($category['attribs']['']['text'])) { $label = $this->sanitize($category['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label)); if (isset($category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'])) { foreach ((array) $category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'] as $subcategory) { if (isset($subcategory['attribs']['']['text'])) { $label = $this->sanitize($subcategory['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories_parent[] = $this->registry->create('Category', array($term, $scheme, $label)); } } } if (is_array($categories_parent)) { $categories_parent = array_values(array_unique($categories_parent)); } // COPYRIGHT if ($copyright = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright')) { $copyright_url = null; $copyright_label = null; if (isset($copyright[0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($copyright[0]['data'])) { $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $copyrights_parent = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); } elseif ($copyright = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright')) { $copyright_url = null; $copyright_label = null; if (isset($copyright[0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($copyright[0]['data'])) { $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $copyrights_parent = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); } // CREDITS if ($credits = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit')) { foreach ($credits as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $credits_parent[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); } } elseif ($credits = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit')) { foreach ($credits as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $credits_parent[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); } } if (is_array($credits_parent)) { $credits_parent = array_values(array_unique($credits_parent)); } // DESCRIPTION if ($description_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description')) { if (isset($description_parent[0]['data'])) { $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } } elseif ($description_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description')) { if (isset($description_parent[0]['data'])) { $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } } // DURATION if ($duration_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'duration')) { $seconds = null; $minutes = null; $hours = null; if (isset($duration_parent[0]['data'])) { $temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); if (sizeof($temp) > 0) { $seconds = (int) array_pop($temp); } if (sizeof($temp) > 0) { $minutes = (int) array_pop($temp); $seconds += $minutes * 60; } if (sizeof($temp) > 0) { $hours = (int) array_pop($temp); $seconds += $hours * 3600; } unset($temp); $duration_parent = $seconds; } } // HASHES if ($hashes_iterator = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash')) { foreach ($hashes_iterator as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes_parent[] = $algo.':'.$value; } } elseif ($hashes_iterator = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash')) { foreach ($hashes_iterator as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes_parent[] = $algo.':'.$value; } } if (is_array($hashes_parent)) { $hashes_parent = array_values(array_unique($hashes_parent)); } // KEYWORDS if ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords')) { if (isset($keywords[0]['data'])) { $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords_parent[] = trim($word); } } unset($temp); } elseif ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords')) { if (isset($keywords[0]['data'])) { $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords_parent[] = trim($word); } } unset($temp); } elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords')) { if (isset($keywords[0]['data'])) { $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords_parent[] = trim($word); } } unset($temp); } elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords')) { if (isset($keywords[0]['data'])) { $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords_parent[] = trim($word); } } unset($temp); } if (is_array($keywords_parent)) { $keywords_parent = array_values(array_unique($keywords_parent)); } // PLAYER if ($player_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player')) { if (isset($player_parent[0]['attribs']['']['url'])) { $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } } elseif ($player_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player')) { if (isset($player_parent[0]['attribs']['']['url'])) { $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } } // RATINGS if ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating')) { foreach ($ratings as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); } } elseif ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit')) { foreach ($ratings as $rating) { $rating_scheme = 'urn:itunes'; $rating_value = null; if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); } } elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating')) { foreach ($ratings as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); } } elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit')) { foreach ($ratings as $rating) { $rating_scheme = 'urn:itunes'; $rating_value = null; if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $ratings_parent[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); } } if (is_array($ratings_parent)) { $ratings_parent = array_values(array_unique($ratings_parent)); } // RESTRICTIONS if ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction')) { foreach ($restrictions as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); } } elseif ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block')) { foreach ($restrictions as $restriction) { $restriction_relationship = 'allow'; $restriction_type = null; $restriction_value = 'itunes'; if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes') { $restriction_relationship = 'deny'; } $restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); } } elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction')) { foreach ($restrictions as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); } } elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block')) { foreach ($restrictions as $restriction) { $restriction_relationship = 'allow'; $restriction_type = null; $restriction_value = 'itunes'; if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes') { $restriction_relationship = 'deny'; } $restrictions_parent[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); } } if (is_array($restrictions_parent)) { $restrictions_parent = array_values(array_unique($restrictions_parent)); } else { $restrictions_parent = array(new SimplePie_Restriction('allow', null, 'default')); } // THUMBNAILS if ($thumbnails = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail')) { foreach ($thumbnails as $thumbnail) { if (isset($thumbnail['attribs']['']['url'])) { $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } } } elseif ($thumbnails = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail')) { foreach ($thumbnails as $thumbnail) { if (isset($thumbnail['attribs']['']['url'])) { $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } } } // TITLES if ($title_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title')) { if (isset($title_parent[0]['data'])) { $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } } elseif ($title_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title')) { if (isset($title_parent[0]['data'])) { $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } } // Clear the memory unset($parent); // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; // Elements $captions = null; $categories = null; $copyrights = null; $credits = null; $description = null; $hashes = null; $keywords = null; $player = null; $ratings = null; $restrictions = null; $thumbnails = null; $title = null; // If we have media:group tags, loop through them. foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group') as $group) { if(isset($group['child']) && isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'])) { // If we have media:content tags, loop through them. foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content) { if (isset($content['attribs']['']['url'])) { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; // Elements $captions = null; $categories = null; $copyrights = null; $credits = null; $description = null; $hashes = null; $keywords = null; $player = null; $ratings = null; $restrictions = null; $thumbnails = null; $title = null; // Start checking the attributes of media:content if (isset($content['attribs']['']['bitrate'])) { $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['channels'])) { $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['duration'])) { $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $duration = $duration_parent; } if (isset($content['attribs']['']['expression'])) { $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['framerate'])) { $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['height'])) { $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['lang'])) { $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['fileSize'])) { $length = intval($content['attribs']['']['fileSize']); } if (isset($content['attribs']['']['medium'])) { $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['samplingrate'])) { $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['type'])) { $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['width'])) { $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT); } $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); // Checking the other optional media: elements. Priority: media:content, media:group, item, channel // CAPTIONS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); } if (is_array($captions)) { $captions = array_values(array_unique($captions)); } } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) { foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); } if (is_array($captions)) { $captions = array_values(array_unique($captions)); } } else { $captions = $captions_parent; } // CATEGORIES if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) { foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); } } if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) { foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); } } if (is_array($categories) && is_array($categories_parent)) { $categories = array_values(array_unique(array_merge($categories, $categories_parent))); } elseif (is_array($categories)) { $categories = array_values(array_unique($categories)); } elseif (is_array($categories_parent)) { $categories = array_values(array_unique($categories_parent)); } // COPYRIGHTS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) { $copyright_url = null; $copyright_label = null; if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) { $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) { $copyright_url = null; $copyright_label = null; if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) { $copyright_label = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); } else { $copyrights = $copyrights_parent; } // CREDITS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); } if (is_array($credits)) { $credits = array_values(array_unique($credits)); } } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) { foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); } if (is_array($credits)) { $credits = array_values(array_unique($credits)); } } else { $credits = $credits_parent; } // DESCRIPTION if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) { $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) { $description = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $description = $description_parent; } // HASHES if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes[] = $algo.':'.$value; } if (is_array($hashes)) { $hashes = array_values(array_unique($hashes)); } } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) { foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes[] = $algo.':'.$value; } if (is_array($hashes)) { $hashes = array_values(array_unique($hashes)); } } else { $hashes = $hashes_parent; } // KEYWORDS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) { if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) { $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords[] = trim($word); } unset($temp); } if (is_array($keywords)) { $keywords = array_values(array_unique($keywords)); } } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) { if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) { $temp = explode(',', $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords[] = trim($word); } unset($temp); } if (is_array($keywords)) { $keywords = array_values(array_unique($keywords)); } } else { $keywords = $keywords_parent; } // PLAYER if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) { $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) { $player = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } else { $player = $player_parent; } // RATINGS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); } if (is_array($ratings)) { $ratings = array_values(array_unique($ratings)); } } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) { foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); } if (is_array($ratings)) { $ratings = array_values(array_unique($ratings)); } } else { $ratings = $ratings_parent; } // RESTRICTIONS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); } if (is_array($restrictions)) { $restrictions = array_values(array_unique($restrictions)); } } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) { foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); } if (is_array($restrictions)) { $restrictions = array_values(array_unique($restrictions)); } } else { $restrictions = $restrictions_parent; } // THUMBNAILS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) { $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } if (is_array($thumbnails)) { $thumbnails = array_values(array_unique($thumbnails)); } } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) { foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) { $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } if (is_array($thumbnails)) { $thumbnails = array_values(array_unique($thumbnails)); } } else { $thumbnails = $thumbnails_parent; } // TITLES if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) { $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) { $title = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $title = $title_parent; } $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width)); } } } } // If we have standalone media:content tags, loop through them. if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'])) { foreach ((array) $this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content) { if (isset($content['attribs']['']['url']) || isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; // Elements $captions = null; $categories = null; $copyrights = null; $credits = null; $description = null; $hashes = null; $keywords = null; $player = null; $ratings = null; $restrictions = null; $thumbnails = null; $title = null; // Start checking the attributes of media:content if (isset($content['attribs']['']['bitrate'])) { $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['channels'])) { $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['duration'])) { $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $duration = $duration_parent; } if (isset($content['attribs']['']['expression'])) { $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['framerate'])) { $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['height'])) { $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['lang'])) { $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['fileSize'])) { $length = intval($content['attribs']['']['fileSize']); } if (isset($content['attribs']['']['medium'])) { $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['samplingrate'])) { $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['type'])) { $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['width'])) { $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['attribs']['']['url'])) { $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } // Checking the other optional media: elements. Priority: media:content, media:group, item, channel // CAPTIONS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) { $caption_type = null; $caption_lang = null; $caption_startTime = null; $caption_endTime = null; $caption_text = null; if (isset($caption['attribs']['']['type'])) { $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['lang'])) { $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['start'])) { $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['attribs']['']['end'])) { $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($caption['data'])) { $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $captions[] = $this->registry->create('Caption', array($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text)); } if (is_array($captions)) { $captions = array_values(array_unique($captions)); } } else { $captions = $captions_parent; } // CATEGORIES if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) { foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) { $term = null; $scheme = null; $label = null; if (isset($category['data'])) { $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $scheme = 'http://search.yahoo.com/mrss/category_schema'; } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); } } if (is_array($categories) && is_array($categories_parent)) { $categories = array_values(array_unique(array_merge($categories, $categories_parent))); } elseif (is_array($categories)) { $categories = array_values(array_unique($categories)); } elseif (is_array($categories_parent)) { $categories = array_values(array_unique($categories_parent)); } else { $categories = null; } // COPYRIGHTS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) { $copyright_url = null; $copyright_label = null; if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) { $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) { $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $copyrights = $this->registry->create('Copyright', array($copyright_url, $copyright_label)); } else { $copyrights = $copyrights_parent; } // CREDITS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) { $credit_role = null; $credit_scheme = null; $credit_name = null; if (isset($credit['attribs']['']['role'])) { $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($credit['attribs']['']['scheme'])) { $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $credit_scheme = 'urn:ebu'; } if (isset($credit['data'])) { $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $credits[] = $this->registry->create('Credit', array($credit_role, $credit_scheme, $credit_name)); } if (is_array($credits)) { $credits = array_values(array_unique($credits)); } } else { $credits = $credits_parent; } // DESCRIPTION if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) { $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $description = $description_parent; } // HASHES if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) { $value = null; $algo = null; if (isset($hash['data'])) { $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($hash['attribs']['']['algo'])) { $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $algo = 'md5'; } $hashes[] = $algo.':'.$value; } if (is_array($hashes)) { $hashes = array_values(array_unique($hashes)); } } else { $hashes = $hashes_parent; } // KEYWORDS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) { if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) { $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); foreach ($temp as $word) { $keywords[] = trim($word); } unset($temp); } if (is_array($keywords)) { $keywords = array_values(array_unique($keywords)); } } else { $keywords = $keywords_parent; } // PLAYER if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) { if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'])) { $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } } else { $player = $player_parent; } // RATINGS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) { $rating_scheme = null; $rating_value = null; if (isset($rating['attribs']['']['scheme'])) { $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $rating_scheme = 'urn:simple'; } if (isset($rating['data'])) { $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $ratings[] = $this->registry->create('Rating', array($rating_scheme, $rating_value)); } if (is_array($ratings)) { $ratings = array_values(array_unique($ratings)); } } else { $ratings = $ratings_parent; } // RESTRICTIONS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) { $restriction_relationship = null; $restriction_type = null; $restriction_value = null; if (isset($restriction['attribs']['']['relationship'])) { $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['attribs']['']['type'])) { $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($restriction['data'])) { $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); } $restrictions[] = $this->registry->create('Restriction', array($restriction_relationship, $restriction_type, $restriction_value)); } if (is_array($restrictions)) { $restrictions = array_values(array_unique($restrictions)); } } else { $restrictions = $restrictions_parent; } // THUMBNAILS if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) { foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) { if (isset($thumbnail['attribs']['']['url'])) { $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); } } if (is_array($thumbnails)) { $thumbnails = array_values(array_unique($thumbnails)); } } else { $thumbnails = $thumbnails_parent; } // TITLES if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) { $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $title = $title_parent; } $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width)); } } } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link) { if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure') { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); if (isset($link['attribs']['']['type'])) { $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($link['attribs']['']['length'])) { $length = intval($link['attribs']['']['length']); } if (isset($link['attribs']['']['title'])) { $title = $this->sanitize($link['attribs']['']['title'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $title = $title_parent; } // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title, $width)); } } foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link) { if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure') { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); if (isset($link['attribs']['']['type'])) { $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($link['attribs']['']['length'])) { $length = intval($link['attribs']['']['length']); } // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width)); } } if ($enclosure = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'enclosure')) { if (isset($enclosure[0]['attribs']['']['url'])) { // Attributes $bitrate = null; $channels = null; $duration = null; $expression = null; $framerate = null; $height = null; $javascript = null; $lang = null; $length = null; $medium = null; $samplingrate = null; $type = null; $url = null; $width = null; $url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0])); $url = $this->feed->sanitize->https_url($url); if (isset($enclosure[0]['attribs']['']['type'])) { $type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($enclosure[0]['attribs']['']['length'])) { $length = intval($enclosure[0]['attribs']['']['length']); } // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width)); } } if (sizeof($this->data['enclosures']) === 0 && ($url || $type || $length || $bitrate || $captions_parent || $categories_parent || $channels || $copyrights_parent || $credits_parent || $description_parent || $duration_parent || $expression || $framerate || $hashes_parent || $height || $keywords_parent || $lang || $medium || $player_parent || $ratings_parent || $restrictions_parent || $samplingrate || $thumbnails_parent || $title_parent || $width)) { // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor $this->data['enclosures'][] = $this->registry->create('Enclosure', array($url, $type, $length, null, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width)); } $this->data['enclosures'] = array_values(array_unique($this->data['enclosures'])); } if (!empty($this->data['enclosures'])) { return $this->data['enclosures']; } return null; } /** * Get the latitude coordinates for the item * * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications * * Uses `<geo:lat>` or `<georss:point>` * * @since 1.0 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo * @link http://www.georss.org/ GeoRSS * @return string|null */ public function get_latitude() { if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) { return (float) $return[0]['data']; } elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[1]; } return null; } /** * Get the longitude coordinates for the item * * Compatible with the W3C WGS84 Basic Geo and GeoRSS specifications * * Uses `<geo:long>`, `<geo:lon>` or `<georss:point>` * * @since 1.0 * @link http://www.w3.org/2003/01/geo/ W3C WGS84 Basic Geo * @link http://www.georss.org/ GeoRSS * @return string|null */ public function get_longitude() { if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) { return (float) $return[0]['data']; } elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) { return (float) $return[0]['data']; } elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) { return (float) $match[2]; } return null; } /** * Get the `<atom:source>` for the item * * @since 1.1 * @return SimplePie_Source|null */ public function get_source() { if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'source')) { return $this->registry->create('Source', array($this, $return[0])); } return null; } }