3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = "0wz"; $foo++; $foo++; echo "PHP goes to $foo";
Output for 7.0.0 - 7.3.0rc4
PHP goes to 0xb
Output for 4.3.0 - 5.6.28
PHP goes to 11