3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php fonction a(&$n){++$n}echo a(5);
Output for 5.4.0 - 5.5.4
Parse error: syntax error, unexpected 'a' (T_STRING) in /in/ULTlX on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_STRING in /in/ULTlX on line 3
Process exited with code 255.