Enqueue the wp-embed script if the provided oEmbed HTML contains a post embed.

In order to only enqueue the wp-embed script on pages that actually contain post embeds, this function checks if the provided HTML contains post embed markup and if so enqueues the script so that it will get printed in the footer.

$html string Required

Embed markup.

string Embed markup (without modifications).

File: wp-includes/embed.php. View all references

function wp_maybe_enqueue_oembed_host_js( $html ) {
	if (
		has_action( 'wp_head', 'wp_oembed_add_host_js' )
		&&
		preg_match( '/<blockquote\s[^>]*?wp-embedded-content/', $html )
	) {
		wp_enqueue_script( 'wp-embed' );
	}
	return $html;
}