3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php while(($i ?? ($i = 0))++ < 3) exit;
Output for 7.0.0
Parse error: syntax error, unexpected '++' (T_INC) in /in/rhTHu on line 3
Process exited with code 255.
Output for 5.3.20 - 5.6.16
Parse error: syntax error, unexpected '?' in /in/rhTHu on line 3
Process exited with code 255.