<?

//define the path as relative
$path = "Maths";

//using the opendir function
$dir_handle = @opendir($path) or die("Unable to open $path");

echo "Directory Listing of $path<br/>";

//running the while loop
while ($file = readdir($dir_handle))
{
   echo "<a href='$file'>$file</a><br/>";
}

//closing the directory
closedir($dir_handle);

?>

<?php
// grab a full file listing from the current and sub directories and show them as anchored
//(linked) files.

// pull a full file listing - requires the Unix 'find' and 'sort commands. 'find' will retrieve a
//list of all files from the current directory, 'sort' will sort the listing, and 'explode' will split
//all files into an array passed into $filelist.

$filelist = explode("\n",`find .|sort`);

// for each item (file) in the array...

for ($count=0;$count<count($filelist);$count++) {

// get the filename (including preceding directory, ie: ./software/gth1.0.9.tar.gz)

$filename=$filelist[$count];

// if it's not a directory, display linked

if (!is_dir($filename))
printf("<a href=\"%s\">%s</a><br>\n",$filename,$filename);

// otherwise tell the user it's a "category"

else printf("<p>Category: %s<p>\n",$filename);
}

?>

<?php
function scanDirectories($rootDir, $allData=array()) {
    // set filenames invisible if you want
    $invisibleFileNames = array(".", "..", ".htaccess", ".htpasswd");
    // run through content of root directory
    $dirContent = scandir($rootDir);
    foreach($dirContent as $key => $content) {
        // filter all files not accessible
        $path = $rootDir.'/'.$content;
        if(!in_array($content, $invisibleFileNames)) {
            // if content is file & readable, add to array
            if(is_file($path) && is_readable($path)) {
                // save file name with path
                $allData[] = $path;
            // if content is a directory and readable, add path and name
            }elseif(is_dir($path) && is_readable($path)) {
                // recursive callback to open new directory
                $allData = scanDirectories($path, $allData);
            }
        }
    }
    return $allData;
}

function print_ar($array, $count=0) {
    foreach($array as $key=>$value){
        if(is_array($value)){
            echo "[<strong><u>$key</u></strong>]<br />";
            $count++;
            print_ar($value, $count);
            $count--;
        }
        else{
            $tab2 = substr($tab, 0, -12);
            echo "$tab2 <a href='/$value'>$value</a><br />";
        }
        $k++;
    }
    $count--;
}

print_ar(scanDirectories("test"));
?>