3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $d=opendir('.'); while($n=readdir($d)){ echo $n."<br>\n"; } closedir($d); ?>
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: opendir(.): failed to open dir: Permission denied in /in/KUAQO on line 2 Warning: readdir() expects parameter 1 to be resource, boolean given in /in/KUAQO on line 3 Warning: closedir() expects parameter 1 to be resource, boolean given in /in/KUAQO on line 6
Output for hhvm-3.10.0 - 3.12.0
Warning: Permission denied in /in/KUAQO on line 2 Warning: readdir() expects parameter 1 to be resource, boolean given in /in/KUAQO on line 3 Warning: closedir() expects parameter 1 to be resource, boolean given in /in/KUAQO on line 6
Output for 4.3.2 - 5.2.17
Warning: opendir(.): failed to open dir: Permission denied in /in/KUAQO on line 2 Warning: readdir(): supplied argument is not a valid Directory resource in /in/KUAQO on line 3 Warning: closedir(): supplied argument is not a valid Directory resource in /in/KUAQO on line 6
Output for 4.3.0 - 4.3.1
Warning: opendir(.) [http://www.php.net/function.opendir]: failed to open dir: Permission denied in /in/KUAQO on line 2 Warning: readdir(): supplied argument is not a valid Directory resource in /in/KUAQO on line 3 Warning: closedir(): supplied argument is not a valid Directory resource in /in/KUAQO on line 6