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run code in 150+ php & hhvm versions
Bugs & Features
<?php $userlist = array(); $pathlist = array(); for ($n = 0; $n < 9000; $n++) { $uid = @posix_getpwuid($n); if (!empty($uid)) { @array_push($userlist, $uid['name']); @array_push($pathlist, $uid['dir']); } } foreach ($pathlist as $path) { if(@is_readable($path) && @is_writable($path)){ echo "{$path}\n"; } } ?>
Output for 4.3.0, 5.4.39 - 5.5.32, 5.5.34 - 5.6.17, 5.6.20 - 5.6.28, hhvm-3.10.0, 7.0.0 - 7.0.3, 7.0.5 - 7.1.0
/var/spool/mail
Output for 4.3.1 - 5.4.38, 5.5.33, 5.6.18 - 5.6.19, hhvm-3.12.0, 7.0.4