3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $char1 = '/'; $char2 = '!'; $start = ord($char1); $stop = ord($char2); $set = array(); for($i=$start; $i < $stop; ($start < $stop? $i++: $i--)){ $set[] = chr($i); } print_r($set);
based on eqMjo
Output for 4.3.0 - 7.1.10
Array ( )