function pre_submission_handler_services_7($form){

    $form_id = 7;
    $form_raw = GFAPI::get_form($form_id);

    // Grab memberium tags from database

    global $wpdb;
    $memberiumtagsarray = $wpdb->get_results("SELECT * FROM memberium_tags WHERE category = '13' ORDER BY name ASC");

    // Grab checkbox fields from GFAPI

    $inputarray = $form_raw[fields][2][inputs];

    // Define array to be used for tags when theres a match

    $services = array();

    // Iterate through array looking for matches for checked boxes

    foreach ($inputarray as $key => $val) {

        $inputarray[$key][id] = "input_".str_replace(".", "_", $inputarray[$key][id]);

        if($_POST[$inputarray[$key][id]] !== NULL) {
            array_push($services, $memberiumtagsarray[$key]->id);
        }
    }

    // post the array as comma delimited into field 26

    $_POST["input_26"] = implode(", ",$services);
}