3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class C { } $items = array(1, 1); $udiff = array_udiff($items, $items, function ($a, $b) { $result = $a === $b; print($result."\n"); return $result; }); var_dump($udiff);
based on fgFjG
Output for 5.3.4 - 5.6.28, 7.0.0 - 7.1.0
1 1 1 1 1 array(2) { [0]=> int(1) [1]=> int(1) }
Output for hhvm-3.10.0 - 3.12.0
1 1 1 array(2) { [0]=> int(1) [1]=> int(1) }
Output for 5.3.0 - 5.3.3
1 1 1 1 1 1 1 array(2) { [0]=> int(1) [1]=> int(1) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/DV6VE on line 8
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/DV6VE on line 8
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/DV6VE on line 8
Process exited with code 255.