3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php usort($myArray, function($a, $b) { return $a['order'] - $b['order']; });
Output for 5.3.0 - 7.2.0
Warning: usort() expects parameter 1 to be array, null given in /in/oeCCc on line 5
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/oeCCc 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/oeCCc on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/oeCCc on line 3
Process exited with code 255.