WordPress at a glance

wp_register_script() WP 1.0

Register a new script.

Registers a script to be enqueued later using the wp_enqueue_script() function.

  • See: WP_Dependencies::add()
  • See: WP_Dependencies::add_data()
  • Since 4.3.0 A return value was added.

No Hooks.


true/false. Whether the script has been registered. True on success, false on failure.


wp_register_script( $handle, $src, $deps, $ver, $in_footer );
$handle(string) (required)
Name of the script. Should be unique.
$src(string) (required)
Full URL of the script, or path of the script relative to the WordPress root directory.
An array of registered script handles this script depends on.
Default: empty array
String specifying script version number, if it has one, which is added to the URL as a query string for cache busting purposes. If version is set to false, a version number is automatically added equal to current installed WordPress version. If set to null, no version is added.
Default: false
Whether to enqueue the script before </body> instead of in the <head>.
Default: 'false'

Code of wp register script: wp-includes/functions.wp-scripts.php VER 5.0.3

function wp_register_script( $handle, $src, $deps = array(), $ver = false, $in_footer = false ) {
	$wp_scripts = wp_scripts();
	_wp_scripts_maybe_doing_it_wrong( __FUNCTION__ );

	$registered = $wp_scripts->add( $handle, $src, $deps, $ver );
	if ( $in_footer ) {
		$wp_scripts->add_data( $handle, 'group', 1 );

	return $registered;

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From tag: script

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