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run code in 200+ php & hhvm versions
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<?php function cube($n) { return($n * $n * $n); } $a = array(1, 2, 3, 4, 5); $b = array_map("cube", $a); print_r($b);
Output for 4.3.0 - 5.6.30, hhvm-3.10.1 - 3.22.0, 7.0.0 - 7.2.2
Array ( [0] => 1 [1] => 8 [2] => 27 [3] => 64 [4] => 125 )