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run code in 300+ PHP versions simultaneously
<?php class B { const IN = STDIN; const XXX = 10; } var_dump(new B()); class A { private $foo = B::IN; } $a = new A(); $b = clone $a; var_dump($a, $b); unset($a); unset($b);

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37.42 ms | 402 KiB | 5 Q