HTML - Single Page Template    
PHP - Connection to a MySQL Database     PHP - List directory glob() vs. scandir()     PHP - Serve file     PHP - Serve CSS    
AJAX - simple POST call     AJAX - create AJAX object     AJAX - simple POST call


/* output admin css */ if (isset($_GET["admin"]) && ($_GET["admin"] == "css")) { header("Content-type: text/css"); echo <<<CSS .admin * { border: 1px solid #287c2e; margin: 2px; } .admin textarea { width: 748px; } .admin br { margin: 0; border: 0; } .admin input { width: 350px; } #feedback { position: relative; float: right; width: 150px; height: 50px; border: 1px solid red; padding: 5px; background-color: gray; text-align: center; line-height: 50px; font-weight: bolder; color: red; } .hidden { color: gray; } #admin_modify { display: none; } CSS; exit(); }