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Inline documentation for hooks in wp-includes/class-wp-embed.php.
Props swissspidy, kpdesign. Fixes #25515. Built from https://develop.svn.wordpress.org/trunk@25726 git-svn-id: http://core.svn.wordpress.org/trunk@25639 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -153,6 +153,15 @@ class WP_Embed {
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foreach ( $handlers as $id => $handler ) {
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if ( preg_match( $handler['regex'], $url, $matches ) && is_callable( $handler['callback'] ) ) {
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if ( false !== $return = call_user_func( $handler['callback'], $matches, $attr, $url, $rawattr ) )
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/**
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* Filter the returned embed handler.
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*
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* @since 2.9.0
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*
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* @param mixed $return The shortcode callback function to call.
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* @param string $url The attempted embed URL.
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* @param array $attr An array of shortcode attributes.
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*/
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return apply_filters( 'embed_handler_html', $return, $url, $attr );
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}
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}
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@ -175,11 +184,29 @@ class WP_Embed {
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return $this->maybe_make_link( $url );
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if ( ! empty( $cache ) )
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/**
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* Filter the cached oEmbed HTML.
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*
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* @since 2.9.0
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*
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* @param mixed $cache The cached HTML result, stored in post meta.
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* @param string $url The attempted embed URL.
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* @param array $attr An array of shortcode attributes.
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* @param int $post_ID Post ID.
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*/
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return apply_filters( 'embed_oembed_html', $cache, $url, $attr, $post_ID );
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}
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/**
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* Filter whether to inspect the given URL for discoverable <link> tags.
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*
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* @see WP_oEmbed::discover()
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*
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* @param bool false Whether to enable <link> tag discovery. Default false.
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*/
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$attr['discover'] = ( apply_filters( 'embed_oembed_discover', false ) && author_can( $post_ID, 'unfiltered_html' ) );
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// Use oEmbed to get the HTML
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$attr['discover'] = ( apply_filters('embed_oembed_discover', false) && author_can( $post_ID, 'unfiltered_html' ) );
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$html = wp_oembed_get( $url, $attr );
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// Cache the result
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@ -187,8 +214,10 @@ class WP_Embed {
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update_post_meta( $post_ID, $cachekey, $cache );
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// If there was a result, return it
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if ( $html )
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if ( $html ) {
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//duplicate_hook
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return apply_filters( 'embed_oembed_html', $html, $url, $attr, $post_ID );
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}
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}
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// Still unknown
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@ -219,7 +248,15 @@ class WP_Embed {
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function cache_oembed( $post_ID ) {
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$post = get_post( $post_ID );
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if ( empty($post->ID) || !in_array( $post->post_type, apply_filters( 'embed_cache_oembed_types', array( 'post', 'page' ) ) ) )
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$post_types = array( 'post', 'page' );
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/**
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* Filter the array of post types to cache oEmbed results for.
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*
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* @since 2.9.0
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*
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* @param array $post_types Array of post types to cache oEmbed results for. Default 'post', 'page'.
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*/
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if ( empty($post->ID) || !in_array( $post->post_type, apply_filters( 'embed_cache_oembed_types', $post_types ) ) )
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return;
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// Trigger a caching
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@ -271,6 +308,15 @@ class WP_Embed {
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*/
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function maybe_make_link( $url ) {
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$output = ( $this->linkifunknown ) ? '<a href="' . esc_url($url) . '">' . esc_html($url) . '</a>' : $url;
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/**
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* Filter the returned, maybe-linked embed URL.
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*
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* @since 2.9.0
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*
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* @param string $output The linked or original URL.
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* @param string $url The original URL.
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*/
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return apply_filters( 'embed_maybe_make_link', $output, $url );
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}
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}
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