get_header( string|null $name = null, array $args = array() ): void|false

27function get_header( $name = null, $args = array() ) {28	/**29	 * Fires before the header template file is loaded.30	 *31	 * @since 2.1.032	 * @since 2.8.0 The `$name` parameter was added.33	 * @since 5.5.0 The `$args` parameter was added.34	 *35	 * @param string|null $name Name of the specific header file to use. Null for the default header.36	 * @param array       $args Additional arguments passed to the header template.37	 */38	do_action( 'get_header', $name, $args );39 40	$templates = array();41	$name      = (string) $name;42	if ( '' !== $name ) {43		$templates[] = "header-{$name}.php";44	}45 46	$templates[] = 'header.php';47 48	if ( ! locate_template( $templates, true, true, $args ) ) {49		return false;50	}51}