3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $stuff; public function modify() { $a = new A(); $a->stuff = 'foo'; return $a; } } $a = new A(); $b = $a->modify(); print_r($a); print_r($b);

preferences:
49.41 ms | 402 KiB | 5 Q