if (!wfRunHooks( 'getUserPermissionsErrors', array( &$this, &$user, $action, &$result ) ) ) {
	if ($result != array() && is_array($result) && !is_array($result[0]))
		$errors[] = $result;
	else if (is_array($result) && is_array($result([0])))
		$errors = array_merge( $errors, $result );
	else if ($result != '' && $result != null)
		$errors[] = array($result);
}