src/CarteBlanche/App/Router.php
public static function getReferer()
    {
        return (CarteBlanche::getContainer()->get('session')->has('referer') ?
            CarteBlanche::getContainer()->get('session')->get('referer') : null);
    }
public static function getReferer()
    {
        return (CarteBlanche::getContainer()->get('session')->has('referer') ?
            CarteBlanche::getContainer()->get('session')->get('referer') : null);
    }
Get the referer URL in session

@return string The referer value in session