3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $i = ord('a'); do { echo $i . " - " . chr($i) . "\n"; } while ($i++ < ord('f') + 1 );
based on iZ2Gp
Output for 5.6.0 - 7.3.0alpha1
97 - a 98 - b 99 - c 100 - d 101 - e 102 - f 103 - g