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<?php $input = [ [1, 2, 3, 4], [1, 2, 3, 4], [1, 2, 3, 4], ]; $keys = ['A', 'B', 'C', 'D']; $input = array_map(function($a) use ($keys) { return array_combine($keys, $a); }, $input); var_dump($input);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> array(4) { ["A"]=> int(1) ["B"]=> int(2) ["C"]=> int(3) ["D"]=> int(4) } [1]=> array(4) { ["A"]=> int(1) ["B"]=> int(2) ["C"]=> int(3) ["D"]=> int(4) } [2]=> array(4) { ["A"]=> int(1) ["B"]=> int(2) ["C"]=> int(3) ["D"]=> int(4) } }

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