289 lines
9 KiB
PHP
289 lines
9 KiB
PHP
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<?php
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/**
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* Yoast SEO Video plugin file.
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*
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* @package Internals
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* @since 1.8.0
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* @version 1.8.0
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*/
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// Avoid direct calls to this file.
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if ( ! class_exists( 'WPSEO_Video_Sitemap' ) ) {
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header( 'Status: 403 Forbidden' );
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header( 'HTTP/1.1 403 Forbidden' );
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exit();
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}
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/**
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* Add support for the Advanced Responsive Video Embedder plugin
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*
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* @link https://wordpress.org/plugins/advanced-responsive-video-embedder/
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*
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* {@internal Last update: October 2016 based upon v 7.5.1.}
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*
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* Shortcode list from plugin:
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* 'shortcodes' => array(
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* 'allmyvideos' => 'allmyvideos',
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* 'alugha' => 'alugha',
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* 'archiveorg' => 'archiveorg',
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* 'break' => 'break',
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* 'collegehumor' => 'collegehumor',
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* 'comedycentral' => 'comedycentral',
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* 'dailymotion' => 'dailymotion',
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* 'dailymotionlist' => 'dailymotionlist', // should not be recognized
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* 'facebook' => 'facebook',
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* 'funnyordie' => 'funnyordie',
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* 'iframe' => 'iframe',
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* 'ign' => 'ign',
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* 'kickstarter' => 'kickstarter',
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* 'liveleak' => 'liveleak',
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* 'livestream' => 'livestream',
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* 'klatv' => 'klatv',
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* 'metacafe' => 'metacafe',
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* 'movieweb' => 'movieweb',
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* 'mpora' => 'mpora',
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* 'myspace' => 'myspace',
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* 'snotr' => 'snotr',
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* 'spike' => 'spike',
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* 'ted' => 'ted',
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* 'twitch' => 'twitch',
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* 'ustream' => 'ustream',
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* 'veoh' => 'veoh',
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* 'vevo' => 'vevo',
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* 'viddler' => 'viddler',
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* 'vidspot' => 'vidspot',
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* 'vine' => 'vine',
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* 'vimeo' => 'vimeo',
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* 'xtube' => 'xtube',
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* 'yahoo' => 'yahoo',
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* 'youku' => 'youku',
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* 'youtube' => 'youtube',
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* 'youtubelist' => 'youtubelist', //* Deprecated and should not be recognized
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* ),
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*/
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if ( ! class_exists( 'WPSEO_Video_Plugin_Advanced_Responsive_Video_Embedder' ) ) {
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/**
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* Class WPSEO_Video_Plugin_Advanced_Responsive_Video_Embedder
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*/
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class WPSEO_Video_Plugin_Advanced_Responsive_Video_Embedder extends WPSEO_Video_Supported_Plugin {
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/**
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* ARVE native options, containing relevant information on the supported shortcodes.
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*
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* @since 3.8.0
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*
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* @var array
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*/
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protected $arve_options;
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/**
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* ARVE native properties, containing relevant information on the supported embeds.
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*
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* @since 3.8.0
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*
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* @var array
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*/
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protected $arve_properties;
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/**
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* Conditionally add plugin features to analyse for video content.
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*/
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public function __construct() {
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// ARVE is getting into a habit of continuously renaming their core classes and methods....
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// so checking for several for compatibility.
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if ( class_exists( 'Advanced_Responsive_Video_Embedder_Shared' ) || function_exists( 'arve_get_options' ) ) {
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// Register the main ARVE 5.3+ shortcode.
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$this->shortcodes[] = 'arve';
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// ARVE still supports legacy format, so we should too.
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$arve_options = array();
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if ( method_exists( 'Advanced_Responsive_Video_Embedder_Shared', 'get_options' ) ) {
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$arve_options = Advanced_Responsive_Video_Embedder_Shared::get_options();
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}
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elseif ( function_exists( 'arve_get_options' ) ) {
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$arve_options = arve_get_options();
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}
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if ( ! empty( $arve_options ) && is_array( $arve_options ) ) {
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// We don't support playlists.
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unset( $arve_options['shortcodes']['dailymotionlist'], $arve_options['shortcodes']['youtubelist'] );
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$this->arve_options = $arve_options;
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foreach ( $this->arve_options['shortcodes'] as $provider => $shortcode ) {
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$this->shortcodes[] = $shortcode;
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}
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}
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}
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if ( class_exists( 'Advanced_Responsive_Video_Embedder_Shared' ) || function_exists( 'arve_get_host_properties' ) ) {
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$arve_properties = array();
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if ( method_exists( 'Advanced_Responsive_Video_Embedder_Shared', 'get_properties' ) ) {
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$arve_properties = Advanced_Responsive_Video_Embedder_Shared::get_properties();
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}
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elseif ( function_exists( 'arve_get_host_properties' ) ) {
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$arve_properties = arve_get_host_properties();
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}
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if ( ! empty( $arve_properties ) && is_array( $arve_properties ) ) {
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// We don't support playlists.
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unset( $arve_properties['dailymotionlist'], $arve_properties['youtubelist'] );
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/*
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* Add the embed keys.
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* Handler name => VideoSEO service name.
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*/
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foreach ( $arve_properties as $provider => $values ) {
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if ( ! empty( $values['regex'] ) ) {
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$this->video_autoembeds[ 'arve_' . $provider ] = $provider;
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}
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}
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}
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$this->arve_properties = $arve_properties;
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}
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}
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/**
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* Analyse a video shortcode from the plugin for usable video information
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*
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* @param string $full_shortcode Full shortcode as found in the post content.
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* @param string $sc Shortcode found.
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* @param array $atts Shortcode attributes - already decoded if needed.
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* @param string $content The shortcode content, i.e. the bit between [sc]content[/sc].
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*
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* @return array An array with the usable information found or else an empty array
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*/
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public function get_info_from_shortcode( $full_shortcode, $sc, $atts = array(), $content = '' ) {
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$vid = array();
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if ( $sc === 'arve' ) {
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if ( ! isset( $atts['url'] ) ) {
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// Not usable, no url.
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return $vid;
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}
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$maybe_type = $this->get_service_type_from_shortcode( $atts['url'] );
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if ( $maybe_type !== false ) {
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$vid['type'] = $maybe_type;
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$vid['url'] = $atts['url'];
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}
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if ( $vid !== array() && ! empty( $atts['thumbnail'] ) ) {
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$maybe_thumb = $this->get_thumbnail_loc_from_shortcode( $atts['thumbnail'] );
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if ( is_string( $maybe_thumb ) && $maybe_thumb !== '' ) {
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$vid['thumbnail_loc'] = $maybe_thumb;
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}
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}
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}
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/* Legacy shortcodes. */
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else {
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// Deal with blip weirdness.
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if ( ( $sc === 'blip' || $sc === 'bliptv' ) && ! empty( $atts['id'] ) ) {
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$vid = $this->what_the_blip( $vid, $atts['id'], $full_shortcode );
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}
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elseif ( $sc !== 'iframe' && ! empty( $atts['id'] ) ) {
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$vid['id'] = $atts['id'];
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}
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elseif ( $sc === 'iframe' && ( isset( $atts['id'] ) && is_string( $atts['id'] ) && $atts['id'] !== '' ) ) {
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$vid['url'] = $atts['id'];
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}
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if ( $vid !== array() ) {
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// Only add type if we succesfully found an id/url.
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switch ( $sc ) {
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case 'bliptv':
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$vid['type'] = 'blip';
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break;
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case 'iframe':
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// @todo what should this be? - url iframe embed?
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$vid['type'] = 'iframe';
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$vid['maybe_local'] = true;
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break;
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default:
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$type = false;
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if ( isset( $this->arve_options['shortcodes'] ) ) {
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$type = array_search( $sc, $this->arve_options['shortcodes'], true );
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}
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if ( $type !== false ) {
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$vid['type'] = $type;
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}
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break;
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}
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}
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}
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return $vid;
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}
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/**
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* Get a thumbnail url from an ARVE thumbnail shortcode attribute.
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*
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* This code is a simplified version of code found in the ARVE plugin.
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*
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* @see Advanced_Responsive_Video_Embedder_Public::build_embed()
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*
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* @since 3.8.0
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*
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* @param string $thumbnail The value of the thumbnail shortcode attribute.
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*
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* @return string|false URL if a valid thumbnail was found, false otherwise.
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*/
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private function get_thumbnail_loc_from_shortcode( $thumbnail ) {
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$maybe_url = filter_var( $thumbnail, FILTER_SANITIZE_STRING );
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if ( substr( $maybe_url, 0, 4 ) === 'http' && filter_var( $maybe_url, FILTER_VALIDATE_URL ) ) {
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return $thumbnail;
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}
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elseif ( is_numeric( $thumbnail ) ) {
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$img_src = wp_get_attachment_image_url( $thumbnail, 'medium' );
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if ( $img_src !== false ) {
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return $img_src;
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}
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}
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return false;
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}
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/**
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* Try and determine the video service based on the url using input from ARVE.
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*
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* This code is a simplified version of code found in the ARVE plugin.
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*
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* @see Advanced_Responsive_Video_Embedder_Public::build_embed()
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*
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* @since 3.8.0
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*
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* @param string $url The url provided in the shortcode.
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*
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* @return string|false The provider name or false if provider could not be determined.
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*/
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private function get_service_type_from_shortcode( $url ) {
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foreach ( $this->arve_properties as $provider => $values ) {
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if ( in_array( $provider, array( 'dailymotionlist', 'youtubelist' ), true ) || empty( $values['regex'] ) ) {
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continue;
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}
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if ( preg_match( '#' . $values['regex'] . '#i', $url, $matches ) === 1 ) {
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return $provider;
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}
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}
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return false;
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}
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}
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}
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