3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "foo"; $b = "1foo"; $c = "foo1"; echo ++$a; echo "\n"; echo ++$b; echo "\n"; echo ++$c;
based on oW1BQ
Output for 4.3.0 - 7.2.0
fop 1fop foo2