/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/fsm/fsm/fsm.php

<?php

    $fsmdir = opendir("./fsm");
    while($fsmsubdirname = readdir($fsmdir)) {
        while ($fsmsubdir = readdir ($fsmsubdirname)
            echo $fsmdir;
            
        
    }
?>