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<?php $array = [1,2,3,4,5]; $cols = 4; $chunks = array_fill(0, $cols, []); $cnt = 0; foreach ($array as $thing) { $chunks[$cnt++ % $cols][] = $thing; } var_dump($chunks); $chunks2 = array_map(null, ...array_chunk($array, $cols)); var_dump($chunks2, $chunks2 === $chunks);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> array(2) { [0]=> int(1) [1]=> int(5) } [1]=> array(1) { [0]=> int(2) } [2]=> array(1) { [0]=> int(3) } [3]=> array(1) { [0]=> int(4) } } array(4) { [0]=> array(2) { [0]=> int(1) [1]=> int(5) } [1]=> array(2) { [0]=> int(2) [1]=> NULL } [2]=> array(2) { [0]=> int(3) [1]=> NULL } [3]=> array(2) { [0]=> int(4) [1]=> NULL } } bool(false)

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