list all images for cache manifest

<?php

function listFolderFiles($dir){
    $foldersAndFiles = scandir($dir);

    foreach($foldersAndFiles as $item){

        if (!in_array($item,array(".",".."))){ // scandir() adds . and .. to the array

            // Write it out if its an image
            if (strpos($item, '.jpg') !== false || 
                strpos($item, '.png') !== false || 
                strpos($item, '.gif') !== false ){
                echo $dir."/".$item."<br>";
            }

            // Write out heading-comment and enter the next folder 
            if(is_dir($dir.'/'.$item)){
                echo "<br># ".$item."<br>";
                listFolderFiles($dir.'/'.$item); 
            }
        }
    }
}

// The master folder for all images
listFolderFiles('images');

echo "<br># minified<br>";
listFolderFiles('min');

?>