wp-includes/embed.php:147Adds a URL format and oEmbed provider URL pair.
$formatstring$providerstring$regexbooloptionalfalsefunction wp_oembed_add_provider( $format, $provider, $regex = false ) { if ( did_action( 'plugins_loaded' ) ) { $oembed = _wp_oembed_get_object(); $oembed->providers[ $format ] = array( $provider, $regex ); } else { WP_oEmbed::_add_provider_early( $format, $provider, $regex ); }}Introduced in 2.9.0. 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.