3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $d = opendir('.'); while ($file = readdir($d)) echo $file."\n"; closedir($d);
Output for 5.3.0 - 7.1.0
Warning: opendir(.): failed to open dir: Permission denied in /in/ZRpTS on line 2 Warning: readdir() expects parameter 1 to be resource, boolean given in /in/ZRpTS on line 3 Warning: closedir() expects parameter 1 to be resource, boolean given in /in/ZRpTS on line 4
Output for 4.3.2 - 5.2.17
Warning: opendir(.): failed to open dir: Permission denied in /in/ZRpTS on line 2 Warning: readdir(): supplied argument is not a valid Directory resource in /in/ZRpTS on line 3 Warning: closedir(): supplied argument is not a valid Directory resource in /in/ZRpTS on line 4
Output for 4.3.0 - 4.3.1
Warning: opendir(.) [http://www.php.net/function.opendir]: failed to open dir: Permission denied in /in/ZRpTS on line 2 Warning: readdir(): supplied argument is not a valid Directory resource in /in/ZRpTS on line 3 Warning: closedir(): supplied argument is not a valid Directory resource in /in/ZRpTS on line 4