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run code in 300+ PHP versions simultaneously
<?php function make() { class Foo { public function getClass() { return call_user_func(function () { return call_user_func(function () { return [__CLASS__, __METHOD__, __FUNCTION__]; }); }); } } return new Foo(); } $foo = make(); var_dump($foo->getClass());

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38.48 ms | 402 KiB | 5 Q