/**
* rule
* @param string $key name属性
* @param array $option
* @return string エラーメッセージ
*/
public function rule($key, array $options = array())
{
$value = $this->Data->get($key);
if (!is_null($value) && !MWF_Functions::is_empty($value)) {
$defaults = array('types' => '', 'message' => __('This file is invalid.', MWF_Config::DOMAIN));
$options = array_merge($defaults, $options);
$_types = explode(',', $options['types']);
foreach ($_types as $type) {
$types[] = preg_quote(trim($type), '/');
}
$types = implode('|', MWF_Functions::array_clean($types));
$pattern = '/\\.(' . $types . ')$/i';
if (!preg_match($pattern, $value)) {
return $options['message'];
}
}
}
