3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = '2d1'; for ($i = 0; $i<27; $i++) { $a++; echo $a . ' '; }
based on BtNo5
Output for 4.3.0 - 7.2.0
2d2 2d3 2d4 2d5 2d6 2d7 2d8 2d9 2e0 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20