wp-includes/class-wp-oembed.php:320Takes a URL and returns the corresponding oEmbed provider's URL, if there is one.
$urlstring$argsstring|arrayoptional''$discoverbooldefault: true
string|false public function get_provider( $url, $args = '' ) { $args = wp_parse_args( $args ); $provider = false; if ( ! isset( $args['discover'] ) ) { $args['discover'] = true; } foreach ( $this->providers as $match_mask => $data ) { $provider_data = $this->sanitize_provider( $match_mask, $data ); if ( null === $provider_data ) { continue; } $match_mask = $provider_data['match_mask']; // Turn the asterisk-type provider URLs into regex. if ( ! $provider_data['is_regex'] ) { $match_mask = '#' . str_replace( '___wildcard___', '(.+)', preg_quote( str_replace( '*', '___wildcard___', $match_mask ), '#' ) ) . '#i'; $match_mask = (string) preg_replace( '|^#http\\\://|', '#https?\://', $match_mask ); } if ( preg_match( $match_mask, $url ) ) { $provider = str_replace( '{format}', 'json', $provider_data['endpoint'] ); // JSON is easier to deal with than XML. break; } } if ( ! $provider && $args['discover'] ) { $provider = $this->discover( $url ); } return $provider; }Introduced in 4.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-oembed.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.