3v4l.org

run code in 300+ PHP versions simultaneously
<?php /*class A { static $a=7; var $b=9; }*/ class A{ static function __set_state($arr) { foreach($arr as $k=>$var) { $this->$k=$var; } } }; A::__set_state(array( 'b' => 9, )); function f($obj) { var_export($obj); echo $obj::$a; } $a; f(new A);

preferences:
38.72 ms | 402 KiB | 5 Q