3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = 8; function foo(null){ echo 'fooey'; } foo($a); var_dump($a);
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected ')', expecting '&' or variable (T_VARIABLE) in /in/Pp5fu on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected ')', expecting '&' or T_VARIABLE in /in/Pp5fu on line 4
Process exited with code 255.