vr_main_view.php at Combine XML, Files and SQLite with PHP 5

<?php
	// check if classes are valid and load classes
	$strKlasse = '';
	function __autoload($strKlasse)
	{	try {	if(!preg_match('=^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$=m',$strKlasse))
		{ throw new Exception("Class '$strKlasse' is not valid."); }		
		$strIncludeFile = 'classes/'.$strKlasse. '.class.php';		
		if (!file_exists($strIncludeFile))
		{ throw new Exception("Include file <i>$strIncludeFile</i> not found.<br>"); }		
		require_once($strIncludeFile);		
		if(!class_exists($strKlasse))
		{ throw new Exception("Include file <i>$strIncludeFile</i> 
							contains no class '$strKlasse'.<br>");	}
		return true; }
		catch(Exception $e)
		{ die($e->getMessage()); }
	}	
?>
<html>
<head>
		<meta http-equiv="content-type" content="text/html;charset=iso-8859-1">
		<meta name="generator" content="Adobe GoLive 6">
		<title>MyRentABike / show all vehicles and details</title>
		<link href="css/filesqlite.css" rel="stylesheet" media="screen">
	</head>
<body>
<a href="index.html">back</a>
		<h3>MyRentABike / Vehicle fleet</h3>
		<p>
<?php
	$vrview = new VRViewAll();
	
	if(isset($_GET['id'])) {
		try {	
			$id = $_GET['id'];
			$num = $_GET['num'];
			$quantity = $_GET['miete'];
			$marke = $_GET['marke'];
			$raeder = $_GET['groesse'];
			$typ = $_GET['typ'];
			
			$vrview->isId($id);
			$vrview->isQuantity($num);
			$vrview->isVehicle($marke);
	
		// error exceptions
		} catch(IdException $e) {
			die($e->getMessage());
		} catch(QtyException $e) {
			die($e->getMessage());
		} catch(VehicleException $e) {
			die($e->getMessage());
		} catch (Exception $e) {
			print $e;
			exit();
		}
	}
	
	$vrview->openFile();
	echo $vrview->htmlvehicle;
	
	if(isset($id)) {
		// load HTML from view
		if (file_exists('vr_single_vehicle.php')) {
		require 'vr_single_vehicle.php'; }
		else { die("Error."); }
	}
?></p>
</body>
</html>