3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL | E_STRICT); $versions = array('1', '2'); usort($versions, function ($me, $him) { debug_backtrace(FALSE); return 1; });
Output for 5.3.0, 7.0.0 - 7.1.0
Output for 5.3.1 - 5.6.28
Warning: usort(): Array was modified by the user comparison function in /in/s5eDW on line 10
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/s5eDW on line 7
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/s5eDW on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/s5eDW on line 7
Process exited with code 255.