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run code in 300+ PHP versions simultaneously
<?php class A { public function run(array $a) { var_dump($a); } }; class B extends A { public function run($a) { parent::run($a); } } $a = array(1, 2, 3); $A = new B(); $A->run($a);

preferences:
41.82 ms | 402 KiB | 5 Q