3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array('a'=>1,'b'=>2,'c'=>3); array_reduce($a, function($result, $item) use ($a) { //$key = $result ? key($result) : $a; //$key = $key == 'a' ? 'aa' : $key; var_dump($item); return $result; });
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
int(1) int(2) int(3)
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/PtGMb on line 4
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/PtGMb on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/PtGMb on line 4
Process exited with code 255.