Code-Snippets-Functions/Execute a function on a child site/WooCommerce/hide-coupon-field-for-specific-products.txt

add_filter( 'woocommerce_coupons_enabled', 'disable_coupon_field_for_specific_products' );
function disable_coupon_field_for_specific_products( $enabled ) {
    if ( ( is_checkout() && !is_wc_endpoint_url() ) || is_cart() ) {
        // here define your product IDs in the array
        $product_ids = array(240790, 240792, 240795, 240798);
        
        // Loop through cart items
        foreach( WC()->cart->get_cart() as $item ) {
            if ( count( array_intersect( [$item['product_id'], $item['variation_id']], $product_ids ) ) > 0 ) {
                return false;
            }
        }
    }
    return $enabled;
}