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run code in 200+ php & hhvm versions
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<?php $dir = "/mnt/"; if (is_dir($dir)) { if ($dh = opendir($dir)) { while (($file = readdir($dh)) !== false) { echo "filename: $file : filetype: " . filetype($dir . $file) . "\n"; } closedir($dh); } } ?>
Output for 7.2.0
Warning: opendir(/mnt/): failed to open dir: Permission denied in /in/NqVha on line 5
Output for 4.3.0 - 7.1.10
filename: . : filetype: dir filename: .. : filetype: dir