master/index.php

<?php
$url = $_SERVER["REQUEST_URI"];
$parsedUrl = parse_url($url);
$path = $parsedUrl['path'];
$explodedUrl = explode('/', $path);
$page = end($explodedUrl);
$page = str_replace('.php', '', $page);
$page = str_replace('.', '', $page); // TODO Better sanitization
if ($page == '') {
	$page = 'home';
}
$toLoad = "pages/$page.php";
if (!file_exists($toLoad)) {
	header('HTTP/1.1 404 Not Found');
	header('Status: 404 Not Found'); // FastCGI fix
	$toLoad = '404.php';
} else {
	header('HTTP/1.1 200 OK');
	header('Status: 200 OK'); // FastCGI fix
}
?>
    <!DOCTYPE html>
    <html>
    <head>
        <title>Coupe de Robotique des Ecoles Primaires</title>
        <meta name="description" content="Site Web de la Coupe de Robotique des Ecoles Primaires">
        <meta name="author" content="Club Informatique de Polytech Lille">
        <link rel="shortcut icon" href="favicon.ico" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <meta http-equiv="content-type" content="text/html; charset=utf-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="theme-color" content="#749BD1">
        <link rel="stylesheet" href="css/bootstrap.min.css">
        <link rel="stylesheet" href="css/crep.css">
        <script type="text/javascript" src="js/jquery.min.js"></script>
        <script type="text/javascript" src="js/bootstrap.min.js"></script>
        <script type="text/javascript" src="js/konami.js"></script>
    </head>
    <body>
        <?php require_once("topnavbar.php");?>
        <?php require_once("menu.php");?>
        <div class="col-md-12 center-block">
            <div class="col-md-12" id="mainContainer">
<?php
	require_once("$toLoad");
?>
            </div>
        </div>
        <?php require_once("footer.php");?>
    </body>
    </html>
    <?php
?>