3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(__DIR__, dir(__DIR__));
Output for 7.3.33, 7.4.26 - 7.4.33, 8.0.13 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(3) "/in" object(Directory)#1 (2) { ["path"]=> string(3) "/in" ["handle"]=> resource(5) of type (stream) }
Output for 8.0.0 - 8.0.12
Warning: dir(/in): Failed to open directory: Permission denied in /in/i6Unf on line 2 string(3) "/in" bool(false)
Output for 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 - 7.3.32, 7.4.0 - 7.4.25
Warning: dir(/in): failed to open dir: Permission denied in /in/i6Unf on line 2 string(3) "/in" bool(false)
Output for 5.2.3 - 5.2.17
Warning: dir(__DIR__): failed to open dir: No such file or directory in /in/i6Unf on line 2 string(7) "__DIR__" bool(false)
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>: dir(__DIR__) [<a href='function.dir'>function.dir</a>]: failed to open dir: No such file or directory in <b>/in/i6Unf</b> on line <b>2</b><br /> string(7) "__DIR__" bool(false)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.2
<br /> <b>Warning</b>: dir(__DIR__): failed to open dir: No such file or directory in <b>/in/i6Unf</b> on line <b>2</b><br /> string(7) "__DIR__" bool(false)
Output for 4.3.0 - 4.3.1
<br /> <b>Warning</b>: dir(__DIR__) [<a href='http://www.php.net/function.dir'>function.dir</a>]: failed to open dir: No such file or directory in <b>/in/i6Unf</b> on line <b>2</b><br /> string(7) "__DIR__" bool(false)

preferences:
303.73 ms | 402 KiB | 468 Q