<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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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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/**

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* Singleton VideoPress_Shortcode instance.

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*

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* @var VideoPress_Shortcode

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*/

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protected static $instance;

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/**

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* VideoPress_Shortcode constructor.

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*/

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protected function __construct() {

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// Only add the shortcode if it hasn't already been added by the standalone VideoPress plugin.

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if ( ! shortcode_exists( 'videopress' ) ) {

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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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}

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$this->add_video_embed_hander();

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}

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/**

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* VideoPress_Shortcode initialization.

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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 https://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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'cover' => true, // Whether to scale the video to its container.

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'muted' => false, // Whether the video should start without sound.

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'controls' => true, // Whether the video should display controls.

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'playsinline' => false, // Whether the video should be allowed to play inline (for browsers that support this).

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'useaveragecolor' => false, // Whether the video should use the seekbar automatic average color.

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'preloadcontent' => 'metadata', // Setting for how the browser should preload the video (none, metadata, auto).

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);

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// Make sure "false" will be actually false.

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foreach ( $attr as $key => $value ) {

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if ( is_string( $value ) && 'false' === strtolower( $value ) ) {

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$attr[ $key ] = false;

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}

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}

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if ( isset( $attr['preload'] ) ) {

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$attr['preloadcontent'] = $attr['preload'];

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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'] = (int) $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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'cover' => (bool) $attr['cover'],

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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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'muted' => $attr['muted'],

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'controls' => $attr['controls'],

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'playsinline' => $attr['playsinline'],

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'useAverageColor' => (bool) $attr['useaveragecolor'], // The casing is intentional, shortcode params are lowercase, but player expects useAverageColor

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'preloadContent' => $attr['preloadcontent'], // The casing is intentional, shortcode params are lowercase, but player expects preloadContent

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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', false );

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require_once __DIR__ . '/class.videopress-video.php';

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require_once __DIR__ . '/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->as_xml();

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} else {

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return $player->as_html();

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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 ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable

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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.MisspelledInText

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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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// Also test for old v.wordpress.com oembed URL.

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if ( ! $videopress_guid && preg_match( '|^https?://v\.wordpress\.com/([a-zA-Z\d]{8})(.+)?$|i', $url, $matches ) ) { // phpcs:ignore WordPress.WP.CapitalPDangit.MisspelledInText

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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['muted'] ) ) {

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$videopress_attr['muted'] = $attr['muted'];

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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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// The core video block doesn't support the cover attribute, setting it to false for consistency.

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$videopress_attr['cover'] = false;

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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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* 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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