3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php system('tail;zcat;zless;more');
Output for 4.3.0, 5.4.42 - 7.2.0
Output for 4.3.1 - 5.4.41
sh: 1: tail: not found sh: 1: zcat: not found sh: 1: zless: not found sh: 1: more: not found