3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $v = 42; func f(&$param) { $param = 0; } call_user_func_array('f', array($v)); echo $v;
Output for 5.4.0 - 5.4.13
Parse error: syntax error, unexpected 'f' (T_STRING) in /in/ntDa6 on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.23
Parse error: syntax error, unexpected T_STRING in /in/ntDa6 on line 4
Process exited with code 255.