3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php readlink("/proc/self/cwd"); ?>
based on Sb2Yf
Output for 7.1.20, 7.2.6
Warning: readlink(): open_basedir restriction in effect. File(/proc/self/cwd) is not within the allowed path(s): (/tmp:/in) in /in/XWXmk on line 3
Output for 4.3.0 - 7.1.10, 7.2.0