3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?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);
based on 1apGF
Output for 5.4.0 - 7.2.0
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 - 5.3.29
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 - 4.4.1, 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.