3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function b() {echo 'b';} (function (){return 'b';})();
based on XNLG4
Output for 7.0.0 - 7.2.0
Output for 5.3.19 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/HpetA on line 4
Process exited with code 255.