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run code in 150+ php & hhvm versions
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<?php $handle = opendir('/home'); while (($file = readdir($handle))) echo $file;
Output for 5.5.24 - 5.5.31, 5.5.34 - 5.6.17, 5.6.20 - 7.0.3, 7.0.5 - 7.1.0
...
Output for 5.3.0 - 5.4.45, 5.5.32 - 5.5.33, 5.6.18 - 5.6.19, 7.0.4
Warning: opendir(/home): failed to open dir: Permission denied in /in/lquIL on line 1 Warning: readdir() expects parameter 1 to be resource, boolean given in /in/lquIL on line 1
Output for 4.3.2 - 5.2.17
Warning: opendir(/home): failed to open dir: Permission denied in /in/lquIL on line 1 Warning: readdir(): supplied argument is not a valid Directory resource in /in/lquIL on line 1
Output for 4.3.0 - 4.3.1
Warning: opendir(/home) [http://www.php.net/function.opendir]: failed to open dir: Permission denied in /in/lquIL on line 1 Warning: readdir(): supplied argument is not a valid Directory resource in /in/lquIL on line 1