3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo readlink("echo /proc/$$/exe");
Output for 4.3.2 - 7.1.0
Warning: readlink(): No such file or directory in /in/s2NMQ on line 2
Output for 4.3.0 - 4.3.1
Warning: readlink() [http://www.php.net/function.readlink]: No such file or directory in /in/s2NMQ on line 2