index.php

<?php
include 'db/pdo.php';
include 'utils/utils.php';
session_start();

?>

<?php
if (array_key_exists('v', $_GET)) {
	$module = $_GET['v'];
} else {
	if (isset($_SESSION['admin'])) {
		$module = 'posts';
	} else {
		$module = 'home';
	}
}
if (isset($_SESSION['admin'])) {
	if ($_SESSION['admin'] == true) {
		$moduleDir = 'modules/admin/' . $module . '.php';
	} else {
		$moduleDir = 'modules/user/' . $module . '.php';
	}

} else {
	$moduleDir = 'modules/user/' . $module . '.php';
}

if (file_exists($moduleDir)) {
	ob_start();
	include $moduleDir;
	$content = ob_get_contents();
	ob_end_clean();
	if (isset($_SESSION['admin'])) {
		include 'layouts/admin.php';
	} elseif (!isset($_SESSION['admin']) || $_SESSION['admin'] == false) {
		include 'layouts/user.php';
	}

} else {
	header("HTTP/1.1 404 Not Found");
}

if (isset($_GET['logout']) == 1) {

	@session_destroy();
	$page = $_SERVER['PHP_SELF'];
	$sec = "0";
	if (isset($_SESSION['admin'])) {
		$_SESSION['admin'] = false;
	}
	header('refresh: 1;');
}
?>