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wp-content/plugins/jetpack/modules/videopress/shortcode.php
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248
wp-content/plugins/jetpack/modules/videopress/shortcode.php
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<?php
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/**
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* VideoPress Shortcode Handler
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*
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* This file may or may not be included from the Jetpack VideoPress module.
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*/
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class VideoPress_Shortcode {
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/** @var VideoPress_Shortcode */
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protected static $instance;
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protected function __construct() {
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// By explicitly declaring the provider here, we can speed things up by not relying on oEmbed discovery.
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wp_oembed_add_provider( '#^https?://videopress.com/v/.*#', 'http://public-api.wordpress.com/oembed/1.0/', true );
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add_shortcode( 'videopress', array( $this, 'shortcode_callback' ) );
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add_shortcode( 'wpvideo', array( $this, 'shortcode_callback' ) );
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add_filter( 'wp_video_shortcode_override', array( $this, 'video_shortcode_override' ), 10, 4 );
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add_filter( 'oembed_fetch_url', array( $this, 'add_oembed_for_parameter' ) );
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$this->add_video_embed_hander();
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}
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/**
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* @return VideoPress_Shortcode
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*/
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public static function initialize() {
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if ( ! isset( self::$instance ) ) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* Translate a 'videopress' or 'wpvideo' shortcode and arguments into a video player display.
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*
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* Expected input formats:
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*
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* [videopress OcobLTqC]
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* [wpvideo OcobLTqC]
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*
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* @link http://codex.wordpress.org/Shortcode_API Shortcode API
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* @param array $attr shortcode attributes
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* @return string HTML markup or blank string on fail
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*/
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public function shortcode_callback( $attr ) {
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global $content_width;
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/**
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* We only accept GUIDs as a first unnamed argument.
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*/
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$guid = isset( $attr[0] ) ? $attr[0] : null;
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if ( isset( $attr['postid'] ) ) {
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$guid = get_post_meta( $attr['postid'], 'videopress_guid', true );
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}
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/**
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* Make sure the GUID passed in matches how actual GUIDs are formatted.
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*/
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if ( ! videopress_is_valid_guid( $guid ) ) {
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return '';
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}
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/**
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* Set the defaults
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*/
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$defaults = array(
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'w' => 0, // Width of the video player, in pixels
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'at' => 0, // How many seconds in to initially seek to
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'hd' => true, // Whether to display a high definition version
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'loop' => false, // Whether to loop the video repeatedly
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'freedom' => false, // Whether to use only free/libre codecs
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'autoplay' => false, // Whether to autoplay the video on load
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'permalink' => true, // Whether to display the permalink to the video
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'flashonly' => false, // Whether to support the Flash player exclusively
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'defaultlangcode' => false, // Default language code
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);
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$attr = shortcode_atts( $defaults, $attr, 'videopress' );
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/**
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* Cast the attributes, post-input.
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*/
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$attr['width'] = absint( $attr['w'] );
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$attr['hd'] = (bool) $attr['hd'];
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$attr['freedom'] = (bool) $attr['freedom'];
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/**
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* If the provided width is less than the minimum allowed
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* width, or greater than `$content_width` ignore.
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*/
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if ( $attr['width'] < VIDEOPRESS_MIN_WIDTH ) {
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$attr['width'] = 0;
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} elseif ( isset( $content_width ) && $content_width > VIDEOPRESS_MIN_WIDTH && $attr['width'] > $content_width ) {
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$attr['width'] = 0;
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}
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/**
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* If there was an invalid or unspecified width, set the width equal to the theme's `$content_width`.
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*/
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if ( 0 === $attr['width'] && isset( $content_width ) && $content_width >= VIDEOPRESS_MIN_WIDTH ) {
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$attr['width'] = $content_width;
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}
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/**
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* If the width isn't an even number, reduce it by one (making it even).
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*/
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if ( 1 === ( $attr['width'] % 2 ) ) {
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$attr['width'] --;
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}
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/**
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* Filter the default VideoPress shortcode options.
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*
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* @module videopress
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*
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* @since 2.5.0
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*
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* @param array $args Array of VideoPress shortcode options.
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*/
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$options = apply_filters(
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'videopress_shortcode_options',
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array(
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'at' => (int) $attr['at'],
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'hd' => $attr['hd'],
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'loop' => $attr['loop'],
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'freedom' => $attr['freedom'],
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'autoplay' => $attr['autoplay'],
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'permalink' => $attr['permalink'],
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'force_flash' => (bool) $attr['flashonly'],
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'defaultlangcode' => $attr['defaultlangcode'],
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'forcestatic' => false, // This used to be a displayed option, but now is only
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// accessible via the `videopress_shortcode_options` filter.
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)
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);
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// Register VideoPress scripts
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wp_register_script( 'videopress', 'https://v0.wordpress.com/js/videopress.js', array( 'jquery', 'swfobject' ), '1.09' );
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require_once dirname( __FILE__ ) . '/class.videopress-video.php';
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require_once dirname( __FILE__ ) . '/class.videopress-player.php';
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$player = new VideoPress_Player( $guid, $attr['width'], $options );
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if ( is_feed() ) {
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return $player->asXML();
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} else {
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return $player->asHTML();
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}
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}
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/**
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* Override the standard video short tag to also process videopress files as well.
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*
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* This will, parse the src given, and if it is a videopress file, it will parse as the
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* VideoPress shortcode instead.
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*
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* @param string $html Empty variable to be replaced with shortcode markup.
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* @param array $attr Attributes of the video shortcode.
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* @param string $content Video shortcode content.
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* @param int $instance Unique numeric ID of this video shortcode instance.
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*
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* @return string
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*/
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public function video_shortcode_override( $html, $attr, $content, $instance ) {
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$videopress_guid = null;
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if ( isset( $attr['videopress_guid'] ) ) {
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$videopress_guid = $attr['videopress_guid'];
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} else {
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// Handle the different possible url attributes
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$url_keys = array( 'src', 'mp4' );
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foreach ( $url_keys as $key ) {
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if ( isset( $attr[ $key ] ) ) {
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$url = $attr[ $key ];
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// phpcs:ignore WordPress.WP.CapitalPDangit
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if ( preg_match( '@videos.(videopress\.com|files\.wordpress\.com)/([a-z0-9]{8})/@i', $url, $matches ) ) {
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$videopress_guid = $matches[2];
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}
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// Also test for videopress oembed url, which is used by the Video Media Widget.
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if ( ! $videopress_guid && preg_match( '@https://videopress.com/v/([a-z0-9]{8})@i', $url, $matches ) ) {
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$videopress_guid = $matches[1];
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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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if ( $videopress_guid ) {
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$videopress_attr = array( $videopress_guid );
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if ( isset( $attr['width'] ) ) {
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$videopress_attr['w'] = (int) $attr['width'];
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}
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if ( isset( $attr['autoplay'] ) ) {
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$videopress_attr['autoplay'] = $attr['autoplay'];
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}
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if ( isset( $attr['loop'] ) ) {
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$videopress_attr['loop'] = $attr['loop'];
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}
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// Then display the VideoPress version of the stored GUID!
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return $this->shortcode_callback( $videopress_attr );
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}
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return '';
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}
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/**
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* Adds a `for` query parameter to the oembed provider request URL.
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*
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* @param String $oembed_provider
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* @return String $ehnanced_oembed_provider
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*/
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public function add_oembed_for_parameter( $oembed_provider ) {
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if ( false === stripos( $oembed_provider, 'videopress.com' ) ) {
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return $oembed_provider;
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}
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return add_query_arg( 'for', parse_url( home_url(), PHP_URL_HOST ), $oembed_provider );
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}
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/**
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* Register a VideoPress handler for direct links to .mov files (and potential other non-handled types later).
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*/
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public function add_video_embed_hander() {
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// These are the video extensions that VideoPress can transcode and considers video as well (even if core does not).
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$extensions = array( 'mov' );
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$override_extensions = implode( '|', $extensions );
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$regex = "#^https?://videos.(videopress.com|files.wordpress.com)/.+?.($override_extensions)$#i";
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/** This filter is already documented in core/wp-includes/embed.php */
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$filter = apply_filters( 'wp_video_embed_handler', 'wp_embed_handler_video' );
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wp_embed_register_handler( 'video', $regex, $filter, 10 );
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}
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}
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VideoPress_Shortcode::initialize();
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