3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(0x0+2+2);
based on 5aWSi
Output for 4.3.0 - 5.2.17, 5.3.11 - 7.1.0
int(4)
Output for 5.3.0 - 5.3.10
int(6)