fabwu

<?php
$titles = array('main' => 'Startseite', 'canvas' => 'Canvas', 'formular' => 'Formular', );

$urlParts = array();
preg_match('/\/([a-z]+)\.php(\?.*)?$/', $_SERVER["REQUEST_URI"], $urlParts);
if (isset($urlParts[1]) && isset($titles[$urlParts[1]])) {
    $page = $urlParts[1];
} else {
    $page = 'main';
}