3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo CWD; echo readfile('../../index.php');
based on 4BhhI
Output for 7.2.0
Warning: Use of undefined constant CWD - assumed 'CWD' (this will throw an Error in a future version of PHP) in /in/AUlIh on line 2 CWD Warning: readfile(../../index.php): failed to open stream: No such file or directory in /in/AUlIh on line 3
Output for 4.3.2 - 7.1.10
Notice: Use of undefined constant CWD - assumed 'CWD' in /in/AUlIh on line 2 CWD Warning: readfile(../../index.php): failed to open stream: No such file or directory in /in/AUlIh on line 3
Output for 4.3.0 - 4.3.1
Notice: Use of undefined constant CWD - assumed 'CWD' in /in/AUlIh on line 2 CWD Warning: readfile(../../index.php) [http://www.php.net/function.readfile]: failed to create stream: No such file or directory in /in/AUlIh on line 3