3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = ' A0'; for ($i=0;$i<20;$i++) var_dump($a++);
Output for 4.3.0 - 7.1.0
string(3) " A0" string(3) " A1" string(3) " A2" string(3) " A3" string(3) " A4" string(3) " A5" string(3) " A6" string(3) " A7" string(3) " A8" string(3) " A9" string(3) " B0" string(3) " B1" string(3) " B2" string(3) " B3" string(3) " B4" string(3) " B5" string(3) " B6" string(3) " B7" string(3) " B8" string(3) " B9"