3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo 0x0+2; echo 0x0+ 2; echo 0x0 +2; echo 0x0 + 2;
Output for 4.3.0 - 5.2.17, 5.3.11 - 7.1.7, 7.2.0
2222
Output for 7.1.10

Process exited with code 137.
Output for 5.3.0 - 5.3.10
4242