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run code in 300+ PHP versions simultaneously
<?php trait Foo { public $hidden; function __call($name, $arguments) { echo 'hello from overload'; } } class Bar { function hello() { echo 'hello from bar'; } } class Cheese extends Bar { static function deleteMe($obj) { unset($obj); } } $foo = new Bar(); Cheese::deleteMe($foo); gc_collect_cycles(); $foo->hello();

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