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run code in 300+ PHP versions simultaneously
<?php $a = array(1, 2, 3, 4, 5); $f = function($n){return($n * $n * $n);}; $b = array_map($f, $a); print_r($b);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 8 [2] => 27 [3] => 64 [4] => 125 )

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