/**
* 对字符串进行反向安全处理
*
* @param $str
*/
public static function htmlspecialchars_decode($str)
{
if (null === $str) {
return null;
}
if (is_array($str) || is_object($str)) {
foreach ($str as $k => $v) {
$str[$k] = HttpIO::htmlspecialchars_decode($v);
}
} else {
$str = htmlspecialchars_decode($str);
}
return $str;
}