3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $cl = `substr('clgt',1,2)`; echo $cl;
based on eUDXu
Output for 4.3.0, 5.4.45 - 7.1.0
Output for 4.3.1 - 5.4.44
sh: 1: Syntax error: word unexpected (expecting ")")