/**
* Returns a singleton instance of Uri_Redirects
* @uses is_array()
*
* @access public
* @return Uri_Redirects
*/
public static function i()
{
if (!self::$_singleton instanceof Uri_Redirects) {
include_once Usu_Main::i()->getVar('includes_path') . 'uri_redirects_array.php';
if (isset($usu5_uri_redirects) && is_array($usu5_uri_redirects) && !empty($usu5_uri_redirects)) {
self::$redirects = $usu5_uri_redirects;
}
self::$_singleton = new self();
}
return self::$_singleton;
}
/**
* The page does not exist so we will show our custom 404 error page and header
*
* @see Usu_Main::getVar()
* @see Uri_Redirects::needsRedirect()
* @see Usu_Validator::redirect()
* @uses session_write_close()
* @uses header()
* @uses exit()
*
* @access private
* @return void
*/
private function pageNotFound()
{
include_once Usu_Main::i()->getVar('includes_path') . 'uri_redirects_class.php';
if (false !== ($url = Uri_Redirects::i()->needsRedirect())) {
$this->redirect($url);
}
session_write_close();
header("HTTP/1.0 404 Not Found");
include_once Usu_Main::i()->getVar('includes_path') . 'notfound_404.php';
exit;
}