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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); $matrix = array_map('array_reverse', $matrix); var_dump($matrix);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array(3) { [0]=> array(3) { [0]=> int(7) [1]=> int(4) [2]=> int(1) } [1]=> array(3) { [0]=> int(8) [1]=> int(5) [2]=> int(2) } [2]=> array(3) { [0]=> int(9) [1]=> int(6) [2]=> int(3) } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/msUmW on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/msUmW on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/msUmW on line 3
Process exited with code 255.

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