3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $number = '123456789'; $rest = substr($number, 0, 4); $rest2 = substr($number, -3, 0); $f = $rest.'-'.$rest2; echo $f;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1234-