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<?php |
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/** |
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* Load the Responsive videos plugin |
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*/ |
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function jetpack_responsive_videos_init() { |
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/* If the doesn't theme support 'jetpack-responsive-videos', don't continue */ |
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if ( ! current_theme_supports( 'jetpack-responsive-videos' ) ) { |
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return; |
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} |
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/* If the theme does support 'jetpack-responsive-videos', wrap the videos */ |
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add_filter( 'wp_video_shortcode', 'jetpack_responsive_videos_embed_html' ); |
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add_filter( 'video_embed_html', 'jetpack_responsive_videos_embed_html' ); |
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/* Only wrap oEmbeds if video */ |
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add_filter( 'embed_oembed_html', 'jetpack_responsive_videos_maybe_wrap_oembed', 10, 2 ); |
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add_filter( 'embed_handler_html', 'jetpack_responsive_videos_maybe_wrap_oembed', 10, 2 ); |
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/* Wrap videos in Buddypress */ |
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add_filter( 'bp_embed_oembed_html', 'jetpack_responsive_videos_embed_html' ); |
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/* Wrap Slideshare shortcodes */ |
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add_filter( 'jetpack_slideshare_shortcode', 'jetpack_responsive_videos_embed_html' ); |
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// Remove the Jetpack Responsive video wrapper in embed blocks on sites that support core Responsive embeds. |
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if ( current_theme_supports( 'responsive-embeds' ) ) { |
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add_filter( 'render_block', 'jetpack_responsive_videos_remove_wrap_oembed', 10, 2 ); |
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} |
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} |
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add_action( 'after_setup_theme', 'jetpack_responsive_videos_init', 99 ); |
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/** |
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* Adds a wrapper to videos and enqueue script |
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* |
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* @return string |
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*/ |
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function jetpack_responsive_videos_embed_html( $html ) { |
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if ( empty( $html ) || ! is_string( $html ) ) { |
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return $html; |
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} |
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// The customizer video widget wraps videos with a class of wp-video |
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// mejs as of 4.9 apparently resizes videos too which causes issues |
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// skip the video if it is wrapped in wp-video. |
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$video_widget_wrapper = 'class="wp-video"'; |
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$mejs_wrapped = strpos( $html, $video_widget_wrapper ); |
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// If this is a video widget wrapped by mejs, return the html. |
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if ( false !== $mejs_wrapped ) { |
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return $html; |
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} |
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if ( defined( 'SCRIPT_DEBUG' ) && true == SCRIPT_DEBUG ) { |
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wp_enqueue_script( 'jetpack-responsive-videos-script', plugins_url( 'responsive-videos/responsive-videos.js', __FILE__ ), array( 'jquery' ), '1.3', true ); |
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} else { |
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wp_enqueue_script( 'jetpack-responsive-videos-min-script', plugins_url( 'responsive-videos/responsive-videos.min.js', __FILE__ ), array( 'jquery' ), '1.3', true ); |
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} |
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// Enqueue CSS to ensure compatibility with all themes |
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wp_enqueue_style( 'jetpack-responsive-videos-style', plugins_url( 'responsive-videos/responsive-videos.css', __FILE__ ) ); |
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return '<div class="jetpack-video-wrapper">' . $html . '</div>'; |
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} |
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/** |
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* Check if oEmbed is a `$video_patterns` provider video before wrapping. |
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* |
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* @param mixed $html The cached HTML result, stored in post meta. |
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* @param string $url he attempted embed URL. |
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* |
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* @return string |
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*/ |
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function jetpack_responsive_videos_maybe_wrap_oembed( $html, $url = null ) { |
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if ( empty( $html ) || ! is_string( $html ) || ! $url ) { |
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return $html; |
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} |
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$jetpack_video_wrapper = '<div class="jetpack-video-wrapper">'; |
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$already_wrapped = strpos( $html, $jetpack_video_wrapper ); |
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// If the oEmbed has already been wrapped, return the html. |
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if ( false !== $already_wrapped ) { |
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return $html; |
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} |
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/** |
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* oEmbed Video Providers. |
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* |
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* A whitelist of oEmbed video provider Regex patterns to check against before wrapping the output. |
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* |
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* @module theme-tools |
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* |
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* @since 3.8.0 |
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* |
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* @param array $video_patterns oEmbed video provider Regex patterns. |
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*/ |
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$video_patterns = apply_filters( |
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'jetpack_responsive_videos_oembed_videos', |
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array( |
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'https?://((m|www)\.)?youtube\.com/watch', |
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'https?://((m|www)\.)?youtube\.com/playlist', |
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'https?://youtu\.be/', |
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'https?://(.+\.)?vimeo\.com/', |
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'https?://(www\.)?dailymotion\.com/', |
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'https?://dai.ly/', |
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'https?://(www\.)?hulu\.com/watch/', |
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'https?://wordpress.tv/', |
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'https?://(www\.)?funnyordie\.com/videos/', |
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'https?://vine.co/v/', |
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'https?://(www\.)?collegehumor\.com/video/', |
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'https?://(www\.|embed\.)?ted\.com/talks/', |
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) |
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); |
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// Merge patterns to run in a single preg_match call. |
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$video_patterns = '(' . implode( '|', $video_patterns ) . ')'; |
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$is_video = preg_match( $video_patterns, $url ); |
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// If the oEmbed is a video, wrap it in the responsive wrapper. |
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if ( false === $already_wrapped && 1 === $is_video ) { |
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return jetpack_responsive_videos_embed_html( $html ); |
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} |
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return $html; |
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} |
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/** |
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* Remove the Jetpack Responsive video wrapper in embed blocks. |
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* |
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* @since 7.0.0 |
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* |
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* @param string $block_content The block content about to be appended. |
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* @param array $block The full block, including name and attributes. |
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* |
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* @return string $block_content String of rendered HTML. |
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*/ |
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function jetpack_responsive_videos_remove_wrap_oembed( $block_content, $block ) { |
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if ( |
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isset( $block['blockName'] ) |
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&& false !== strpos( $block['blockName'], 'core-embed' ) |
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) { |
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$block_content = preg_replace( '#<div class="jetpack-video-wrapper">(.*?)</div>#', '${1}', $block_content ); |
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} |
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return $block_content; |
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} |
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When comparing two booleans, it is generally considered safer to use the strict comparison operator.