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run code in 300+ PHP versions simultaneously
<?php class A { private function __invoke() { echo "a"; }};//function() {}; $a = new A; var_dump(is_object($a), method_exists($a, '_invoke')); $a(); exit; function a($a) { } $b = 3; a($b);

preferences:
43.64 ms | 402 KiB | 5 Q