3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $handle = popen("/bin/echo", "r"); $read = fread($handle, 2096); echo $read;
based on alDTa
Output for 4.3.0, 5.4.39 - 7.2.0
Output for 4.3.1 - 5.4.38
sh: 1: /bin/echo: not found