← All changes | includes/util/class-hook-registry.php +1 -1 4.4.1 → 4.5.1 View file →

		@@ -39,9 +39,9 @@
39	39	public static function register( string $hook_type, string $hook_name, callable $callback, int $priority = 10, int $args = 1 ): bool {
40	40	if ( ! in_array( $hook_type, array( 'action', 'filter' ), true ) ) {
41	41	return false;
42	42	}
43		- if ( empty( trim( $hook_name ) ) ) {
	43	+ if ( empty( trim( $hook_name, " \t\n\r\0\x0B" ) ) ) {
44	44	return false;
45	45	}
46	46	if ( $priority < 0 ) {
47	47	return false;