index.php

<?php

	ini_set('display_errors', 1);

	// Set the current timezone, should that not be available
	// default to GMT.
	if(!date_default_timezone_set(@date_default_timezone_get())) {
		date_default_timezone_set('GMT');
	}

	// Show PHP Info
	if(isset($_REQUEST['info'])){
		phpinfo();
		exit;
	}

	// Defines some constants
	$clean_url = isset($_SERVER['PATH_INFO']) ? $_SERVER['PATH_INFO'] : NULL;
	$clean_url = dirname(rtrim($_SERVER['PHP_SELF'], $clean_url));
	$clean_url = rtrim($_SERVER['HTTP_HOST'] . $clean_url, '/\\');
	$clean_url = preg_replace(array('/\/{2,}/i', '/install$/i'), array('/', NULL), $clean_url);
	$clean_url = rtrim($clean_url, '/\\');
	define('DOMAIN', $clean_url);

	$clean_path = rtrim(dirname(__FILE__), '/\\');
	$clean_path = preg_replace(array('/\/{2,}/i', '/install$/i'), array('/', NULL), $clean_path);
	$clean_path = rtrim($clean_path, '/\\');
	define('DOCROOT', $clean_path);

	// Required boot components
	require_once(DOCROOT . '/symphony/lib/boot/bundle.php');

	define('VERSION', '2.3.3');
	define('INSTALL', DOCROOT . '/install');
	define('INSTALL_LOGS', MANIFEST . '/logs');
	define('INSTALL_URL', URL . '/install');

	// If prompt to remove, delete the entire `/install` directory
	// and then redirect to Symphony
	if(isset($_GET['action']) && $_GET['action'] == 'remove') {
		require_once(DOCROOT . '/symphony/lib/toolkit/class.general.php');
		General::deleteDirectory(INSTALL);
		redirect(SYMPHONY_URL);
	}

	// If Symphony is already installed, run the updater
	if(file_exists(CONFIG)) {
		// System updater
		require_once(INSTALL . '/lib/class.updater.php');

		$script = Updater::instance();
	}
	// If there's no config file, run the installer
	else{
		// System installer
		require_once(INSTALL . '/lib/class.installer.php');

		$script = Installer::instance();
	}

	$script->run();

	exit;