DB::listen(function($sql) {

    foreach ($sql->bindings as $i => $binding)

    {

        if ($binding instanceof \DateTime)

        {

            $sql->bindings[$i] = $binding->format('\'Y-m-d H:i:s\'');

        } else {

            if (is_string($binding))

            {

                $sql->bindings[$i] = "'$binding'";

            }

        }

    }

    $query = str_replace(array('%', '?'), array('%%', '%s'), $sql->sql);

    $query = vsprintf($query, $sql->bindings);

    var_dump($query);

});