Escape raw SQL queries in Laravel 4

Question

How does one go about escaping parameters passed to a raw query in Laravel 4? I expected something like DB::escape() (which rings a bell from Laravel 3) and als

Answer 1

Here's a fuller example, showing how to escape both values and columns and extend Laravel's querybuilder:

getGrammar();
            return $this->whereRaw('FIND_IN_SET(?,' . $grammar->wrap($columnName) . ')', [$value]);
        });
    }
}