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run code in 300+ PHP versions simultaneously
<?php $actions = array(); for ($x = 1; $x < 3; ++$x){ $actions[$x] = function(){ echo 'this is action 425 to 724'; // etc etc.. }; } debug_zval_dump($actions[0]); debug_zval_dump($actions[1]);

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35.41 ms | 402 KiB | 5 Q