3v4l.org

run code in 300+ PHP versions simultaneously
<?php if($a = opendir(".")){ while($b = readdir($a)){ sort($b); if(is_file($b)){ if(is_writable($b)){ echo "File ".$b." is writable\n"; } else { echo "File ".$b." is not writable\n"; } } elseif(is_dir($b)){ if(is_writable($b)){ echo "DIR ".$b." is writable\n"; } else { echo "DIR ".$b." is not writable\n"; } } } } else { echo "Can't opendir()"; } ?>

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39.78 ms | 402 KiB | 5 Q