listing and fortune

<?php
    if ($handle = opendir('.')) {
        while (false !== ($file = readdir($handle))) {
            echo "<a href='$file'>$file</a><br/>";
        }
        closedir($handle);
    }
    $out=array();
    exec("fortune",$out);
    foreach($out as $l)
        echo "$l<br/>";
?>