3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "b"; echo ++$a; $a = "abc"; echo ++$a; $a = "a4\n"; echo ++$a; $a = "a4b1"; echo ++$a;
based on LS7kK
Output for 4.3.0 - 7.1.7
cabda4 a4b2