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<?php $types = ['a', 'b', 'c']; // 3x1 array $numbers = [1, 2, 3]; $arr = [$types, $numbers]; Foreach($arr[0] as $key => $val){ $new[] = array_column($arr, $key); } Var_dump($new);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> array(2) { [0]=> string(1) "a" [1]=> int(1) } [1]=> array(2) { [0]=> string(1) "b" [1]=> int(2) } [2]=> array(2) { [0]=> string(1) "c" [1]=> int(3) } }

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