index.php

<?php

define('ENVIRONMENT', 'development');

if (defined('ENVIRONMENT'))
{
	switch (ENVIRONMENT)
	{
		case 'development':
			error_reporting(E_ALL);
		break;
	
		case 'testing':
		case 'production':
			error_reporting(0);
		break;

		default:
			exit('The application environment is not set correctly.');
	}
}

$system_path = 'swi/core';
$application_folder = 'swi';

if (defined('STDIN'))
{
	chdir(dirname(__FILE__));
}

if (realpath($system_path) !== FALSE)
{
	$system_path = realpath($system_path).'/';
}

$system_path = rtrim($system_path, '/').'/';

if ( ! is_dir($system_path))
{
	exit("Your system folder path does not appear to be set correctly. Please open the following file and correct this: ".pathinfo(__FILE__, PATHINFO_BASENAME));
}

define('SELF', pathinfo(__FILE__, PATHINFO_BASENAME));
define('EXT', '.php');
define('BASEPATH', str_replace("\\", "/", $system_path));
define('FCPATH', str_replace(SELF, '', __FILE__));
define('SYSDIR', trim(strrchr(trim(BASEPATH, '/'), '/'), '/'));

if (is_dir($application_folder))
{
	define('APPPATH', $application_folder.'/');
}
else
{
	if ( ! is_dir(BASEPATH.$application_folder.'/'))
	{
		exit("Your application folder path does not appear to be set correctly. Please open the following file and correct this: ".SELF);
	}

	define('APPPATH', BASEPATH.$application_folder.'/');
}

require_once BASEPATH.'core/CodeIgniter.php';