3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str= '082307'; echo substr(chunk_split($str, 2,":"),0,-1); //substr($str,0,-1); ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
08:23:07