3v4l.org

run code in 300+ PHP versions simultaneously
<?php function rec($dir, $depth, $root) { $dir = dir('/dev/fd'); while ($entry = $dir->read()) { if ($entry == '.' || $entry == '..') continue; echo $depth . $entry . "\n"; if (is_dir($root . $entry)) { rec($dir, $depth . " ", $root . '/' . $entry); } } } rec('/', '', '/');
Output for 8.3.0 - 8.3.7
Warning: dir(): open_basedir restriction in effect. File(/dev/fd) is not within the allowed path(s): (/tmp:/in:/etc) in /in/v9BZ4 on line 3 Warning: dir(/dev/fd): Failed to open directory: Operation not permitted in /in/v9BZ4 on line 3 Fatal error: Uncaught Error: Call to a member function read() on false in /in/v9BZ4:4 Stack trace: #0 /in/v9BZ4(12): rec(false, '', '/') #1 {main} thrown in /in/v9BZ4 on line 4
Process exited with code 255.
Output for 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Warning: dir(): open_basedir restriction in effect. File(/dev/fd) is not within the allowed path(s): (/tmp:/in:/etc) in /in/v9BZ4 on line 3 Warning: dir(/dev/fd): Failed to open directory: Operation not permitted in /in/v9BZ4 on line 3 Fatal error: Uncaught Error: Call to a member function read() on bool in /in/v9BZ4:4 Stack trace: #0 /in/v9BZ4(12): rec(false, '', '/') #1 {main} thrown in /in/v9BZ4 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 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
Output for 7.4.26 - 7.4.32
Warning: dir(): open_basedir restriction in effect. File(/dev/fd) is not within the allowed path(s): (/tmp:/in:/etc) in /in/v9BZ4 on line 3 Warning: dir(/dev/fd): failed to open dir: Operation not permitted in /in/v9BZ4 on line 3 Fatal error: Uncaught Error: Call to a member function read() on bool in /in/v9BZ4:4 Stack trace: #0 /in/v9BZ4(12): rec(false, '', '/') #1 {main} thrown in /in/v9BZ4 on line 4
Process exited with code 255.

preferences:
267.3 ms | 402 KiB | 469 Q