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<?php $matrix = [ [1, 2, 3], [4, 5, 6], [7, 8, 9], ]; array_unshift($matrix, null); $matrix = call_user_func_array('array_map', $matrix); array_walk($matrix,'array_reverse'); var_dump($matrix);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> array(3) { [0]=> int(1) [1]=> int(4) [2]=> int(7) } [1]=> array(3) { [0]=> int(2) [1]=> int(5) [2]=> int(8) } [2]=> array(3) { [0]=> int(3) [1]=> int(6) [2]=> int(9) } }

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