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<?php $array = [1, 2, 3, 4]; $callable = function($value) { return $value * 100; }; $newArray = array_map($callable, $array); print_r($array); print_r($newArray);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 1 [1] => 2 [2] => 3 [3] => 4 ) Array ( [0] => 100 [1] => 200 [2] => 300 [3] => 400 )

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