MultiControlString::getErrorSingle

static function getErrorSingle(array $input, $values)
{
	if(!is_array($values))
		throw new ArgumentTypeException('values', 'array');

	$errors = array();

	foreach($input["ITEMS"] as $key => $item)
		if ($error = InputManager::getError($item, isset($values[$key]) ? $values[$key] : null))
			$errors[$key] = $error;

	return $errors;
}