wp-includes/embed.php:641Retrieves the oEmbed response data for a given URL.
$urlstring$argsarrayobject|falseOne hook fires while get_oembed_response_data_for_url() runs, in this order:
Filters the determined post ID.
function get_oembed_response_data_for_url( $url, $args ) { $switched_blog = false; if ( is_multisite() ) { $url_parts = wp_parse_args( wp_parse_url( $url ), array( 'host' => '', 'port' => null, 'path' => '/', ) ); $qv = array( 'domain' => $url_parts['host'] . ( $url_parts['port'] ? ':' . $url_parts['port'] : '' ), 'path' => '/', 'update_site_meta_cache' => false, ); // In case of subdirectory configs, set the path. if ( ! is_subdomain_install() ) { $path = explode( '/', ltrim( $url_parts['path'], '/' ) ); $path = reset( $path ); if ( $path ) { $qv['path'] = get_network()->path . $path . '/'; } } $sites = get_sites( $qv ); $site = reset( $sites ); // Do not allow embeds for deleted/archived/spam sites. if ( ! empty( $site->deleted ) || ! empty( $site->spam ) || ! empty( $site->archived ) ) { return false; } if ( $site && get_current_blog_id() !== (int) $site->blog_id ) { switch_to_blog( $site->blog_id ); $switched_blog = true; } } $post_id = url_to_postid( $url ); /** This filter is documented in wp-includes/class-wp-oembed-controller.php */ $post_id = apply_filters( 'oembed_request_post_id', $post_id, $url ); if ( ! $post_id ) { if ( $switched_blog ) { restore_current_blog(); } return false; } $width = $args['width'] ?? 0; $data = get_oembed_response_data( $post_id, $width ); if ( $switched_blog ) { restore_current_blog(); } return $data ? (object) $data : false;}Introduced in 5.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/embed.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.