<div class="select-price">
    <?php
    $order_id   = $_SESSION['orderid'];
    $addonID    = get_the_id();
    if($_SESSION['currenttrip']>1){
        $order_item_amount  = 0;
    }else{
        $qty                = $wpdb->get_row("SELECT order_item_total, order_item_name, order_item_amount FROM fcb_order_item WHERE order_id=$order_id AND order_item_addon_id=$addonID");
        $order_item_amount  = ($qty->order_item_amount) ? $qty->order_item_amount : 0;
    }

    if(get_post_meta(get_the_ID(), 'fcb_addon_pricing_type', true) == 'fixed'){

        $max        = get_post_meta(get_the_ID(), 'fcb_addon_max_amount', true);
        $options    = array_fill(1, $max, 'option');

        echo '<input data-addon-id="'.get_the_id().'" data-price="'.$price.'" type="button" value="-" class="qtyminus new-add-item add-service-item plus left '.$addonID.'" data-type="minus" field="quantity" />';
        echo '<input class="airport-value qty qty-'.get_the_id().'" type="number" name="quantity" value="'.$order_item_amount.'" />';
        echo '<input data-addon-id="'.get_the_id().'" data-price="'.$price.'" type="button" value="+" class="qtyplus new-add-item add-service-item minus right '.$addonID.'" data-type="plus" field="quantity" />';

    } elseif (get_post_meta(get_the_ID(), 'fcb_addon_pricing_type', true) == 'variable') {

        $options = get_post_meta(get_the_ID(), 'fcb_variable', true);

        echo '<input data-addon-id="'.get_the_id().'" data-price="'.$options[0]['price'].'" type="button" value="-" class="qtyminus new-add-item add-service-item plus left '.$addonID.'" data-type="minus" field="quantity" />';
        echo '<input class="airport-value qty qty-'.get_the_id().'" type="number" name="quantity" value="'.$order_item_amount.'" />';
        echo '<input data-addon-id="'.get_the_id().'" data-price="'.$options[0]['price'].'" type="button" value="+" class="qtyplus new-add-item add-service-item minus right '.$addonID.'" data-type="plus" field="quantity" />';

    }
    ?>
</div>

foreach ($_GET as $key => $value) { }