index.php

<?php
/**
 * @title          Index
 * @desc           Index file for public root.
 *
 * @author         HiZup, Ltd <contact@hizup.net>
 * @author         Pierre-Henry Soria <hello@ph7cms.com>
 * @copyright      (c) 2014-2016, HiZup, Ltd. All Rights Reserved.
 * @copyright      (c) 2012-2016, Pierre-Henry Soria. All Rights Reserved.
 * @license        See PH7.LICENSE.txt and PH7.COPYRIGHT.txt in the root directory.
 * @link           http://hizup.uk
 * @link           http://ph7cms.com
 * @package        PH7 / ROOT / Core
 */

namespace PH7;

define('PH7', 1);

define('PH7_REQUIRE_SERVER_VERSION', '5.5.0');
define('PH7_REQUIRE_SQL_VERSION', '5.0');

if (version_compare(PHP_VERSION, PH7_REQUIRE_SERVER_VERSION, '<'))
    exit('ERROR: Your current PHP version is ' . PHP_VERSION . '. pH7CMS requires PHP ' . PH7_REQUIRE_SERVER_VERSION . ' or newer.<br /> Please ask your Web host to upgrade PHP to ' . PH7_REQUIRE_SERVER_VERSION . ' or newer.');

// If no system settings, go install
if (!is_file(__DIR__ . '/_constants.php'))
    exit( (is_dir(__DIR__ . '/_install/') ? header('Location: _install/') : 'CONFIG FILE NOT FOUND! If you want to make a new installation, please re-upload _install/ folder and clear your database.') );

require __DIR__ . '/_constants.php';
require PH7_PATH_APP  . 'Bootstrap.php';