index.php

<?php
include 'config/settings.php';
include 'config/mysql.php';
if (!isset($_GET['page']) || $_GET['page'] == '') {
	// Startseite ausgeben
	include 'site/home.php';
} elseif (preg_match('/^[A-Z]$/', $_GET['page'])) {
	// Straßenverzeichnis X ausgeben
	$title = 'Strassenverzeichnis ' . urldecode($_GET['page']) . ' | ' . $title;
	$canonical = $url . '/' . $_GET['page'];
	include 'site/verzeichnis.php';
} elseif (in_array($_GET['page'], $static, true)) {
	// Statische Seiten augeben
	$canonical = $url . '/' . $_GET['page'];
	include 'site/' . $_GET['page'] . '.php';
} else {
	$stmt = $mysqli->prepare("SELECT strasse FROM strassen WHERE strasse = ? LIMIT 1;");
	$stmt->bind_param("s", $_GET['page']);
	$stmt->execute();
	$stmt->store_result();
	if ($stmt->num_rows == 1) {
		$title = urldecode($_GET['page']) . ' | ' . $title;
		$canonical = $url . '/' . $_GET['page'];
		include 'site/strassen.php';
	} else {
		include 'error404.php';
	}
}
?>