WordPress Version: 6.4
/**
* Enqueues the CSS in the embed iframe header.
*
* @since 6.4.0
*/
function wp_enqueue_embed_styles()
{
// Back-compat for plugins that disable functionality by unhooking this action.
if (!has_action('embed_head', 'print_embed_styles')) {
return;
}
remove_action('embed_head', 'print_embed_styles');
$suffix = wp_scripts_get_suffix();
$handle = 'wp-embed-template';
wp_register_style($handle, false);
wp_add_inline_style($handle, file_get_contents(ABSPATH . WPINC . "/css/wp-embed-template{$suffix}.css"));
wp_enqueue_style($handle);
}