Quotes in query

[eluser]ivantcholakov[/eluser]

Code:

// Place within a controller's method that should process user input (POST).

    $zipcodes =
        explode(' ',
            trim(
                preg_replace('/\s+/', ' ',
                    preg_replace('/[^0-9]/', ' ', $this-input->post['zipcodes'])
                )
            )
        );

    // var_dump($zipcodes);

    $this->db
        ->select()
        ->from('table')
        ->where_in('zipcode', $zipcodes)
        ->get()
        ->result_array();

    //var_dump($result_array);