3v4l.org

run code in 300+ PHP versions simultaneously
<?php if ($dh = opendir(realpath('./'))) { while ($file = readdir($dh)) { if (in_array($file, array('.', '..'))) continue; else echo $file . "\n"; } closedir($dh); }
Output for 7.4.26 - 7.4.32, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: realpath(): open_basedir restriction in effect. File(/) is not within the allowed path(s): (/tmp:/in:/etc) in /in/Xik7l on line 3
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.25, 7.4.33, 8.0.0 - 8.0.13
var dev run etc tmp sys proc usr bin boot home lib lib64 mnt opt root sbin srv in
Output for 4.4.3 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Warning</b>: opendir(/in) [<a href='function.opendir'>function.opendir</a>]: failed to open dir: Permission denied in <b>/in/Xik7l</b> on line <b>3</b><br />
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.2
<br /> <b>Warning</b>: opendir(/in): failed to open dir: Permission denied in <b>/in/Xik7l</b> on line <b>3</b><br />
Output for 4.3.0 - 4.3.1
<br /> <b>Warning</b>: opendir(/in) [<a href='http://www.php.net/function.opendir'>function.opendir</a>]: failed to open dir: Permission denied in <b>/in/Xik7l</b> on line <b>3</b><br />
preferences:
291.73 ms | 401 KiB | 468 Q