3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL | E_STRICT); $n = 10; nullArray(@$n); function nullArray( &$a) { return (is_array($a)) ? $a : array(); }
Output for 7.0.0 - 7.1.0
Notice: Only variables should be passed by reference in /in/IWKbp on line 5
Output for hhvm-3.12.0
Strict Warning: Only variables should be passed by reference in /in/IWKbp on line 5
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.2 - 5.6.28
Strict Standards: Only variables should be passed by reference in /in/IWKbp on line 5
Output for 5.0.0 - 5.1.1
Output for 4.3.0 - 4.4.9
Notice: Use of undefined constant E_STRICT - assumed 'E_STRICT' in /in/IWKbp on line 2