3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "2a0"; for($i = 0; $i < 20; $i++) { print "$a\n"; $a++; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
2a0 2a1 2a2 2a3 2a4 2a5 2a6 2a7 2a8 2a9 2b0 2b1 2b2 2b3 2b4 2b5 2b6 2b7 2b8 2b9