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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(1, 2, array(3, array(4, 5))); array_walk_recursive($a, function(&$v, $k) { $v = $v * 2; }); var_dump($a);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { [0]=> int(2) [1]=> int(4) [2]=> array(2) { [0]=> int(6) [1]=> array(2) { [0]=> int(8) [1]=> int(10) } } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/m6aQd 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 T_FUNCTION in /in/m6aQd on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/m6aQd on line 3
Process exited with code 255.