			addUserGroupMember($esc_user, $rc['id']);
		else
			$fails[] = $_user;
	}
	if(count($fails)) {
		$cnt = 'some';
		$code = 34;
		if(count($fails) == count($users)) {
			$cnt = 'all submitted';
			$code = 35;
		}
		return array('status' => 'warning',
		             'failedusers' => $fails,
		             'warningcode' => $code,
		             'warningmsg' => "failed to add $cnt users to user group");
	}
	return array('status' => 'success');
}
The product receives input or data, but it does
        not validate or incorrectly validates that the input has the
        properties that are required to process the data safely and
        correctly.