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run code in 300+ PHP versions simultaneously
<?php class Foo { public static function deleteMe(&$obj) { unset($obj); } } class Bar extends Foo { public function __construct() { $foo = new Foo(); var_dump($foo); Foo::deleteMe($foo); var_dump($foo); } } $bar = new Bar();

preferences:
36.1 ms | 402 KiB | 5 Q