/**
* @param string $name 键值
* @param string $func filter的类型
* @param string $extra filter的额外参数
* @param string $msg 不正确时报错信息，以null|开头时表示非必需
* @param string $type 获取方法
*/
public static function get($name, $func, $msg, $extra, $type = self::REQUEST)
{
$value = null;
while ($type && $value === null) {
if ($type & self::GET) {
$value = isset($_GET[$name]) ? $_GET[$name] : $value;
$type ^= self::GET;
continue;
}
if ($type & self::POST) {
$value = isset($_POST[$name]) ? $_POST[$name] : $value;
$type ^= self::POST;
continue;
}
if ($type & self::PARAMS) {
$value = \yk::app()->getDispatcher()->getRequest()->getParam($name);
$type ^= self::PARAMS;
continue;
}
if ($type & self::COOKIE) {
$tvalue = cookie($name);
$value = $tvalue !== null ? $tvalue : $value;
$type ^= self::COOKIE;
continue;
}
break;
}
$ignore = $msg === false;
$need = $ignore || $msg == null || strpos($msg, 'null|') === 0 ? false : true;
$msg = !$need && is_string($msg) ? substr($msg, 5) : $msg;
if (!$need && $value === null || $value !== null && filter::verify($value, $func, $extra)) {
return $value;
} else {
if (!$ignore) {
throw new error(!is_null($msg) ? $msg : "you post {$name} variable's value is wrong");
} else {
return null;
}
}
}