3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function f(&$a) { echo 'works'; } $b=1; c=&$b; call_user_func_array('f', array($b));
Output for 5.3.0 - 5.4.8
Parse error: syntax error, unexpected '=' in /in/8bRHA on line 6
Process exited with code 255.