Disable upsell specific product reference snippet

reference_snippet_disable_upsell_specific_product.php

class FKCart_Disable_Upsells {

    public function __construct() {
        add_action( 'fkcart_before_cart_items', [ $this, 'init_filters' ] );
    }

    public function init_filters() {
        add_filter( 'woocommerce_product_get_upsell_ids', [ $this, 'remove_upsell_ids' ], 10, 2 );
        add_filter( 'woocommerce_product_get_cross_sell_ids', [ $this, 'remove_cross_sell_ids' ], 10, 2 );
        add_filter( 'fkcart_default_upsells', [ $this, 'remove_fkcart_default_upsells' ] );
    }

    public function remove_upsell_ids( $upsell_ids, $product ) {
        // Remove all upsell IDs
        return [];

        // Example to keep upsells for specific products only:
        /*
        if ( in_array( $product->get_id(), [123, 456], true ) ) {
            return [];
        }
        return $upsell_ids;
        */
    }

    public function remove_cross_sell_ids( $cross_sell_ids, $product ) {
        // Remove all cross-sell IDs
        return [];
    }

    public function remove_fkcart_default_upsells() {
        // Remove all default upsells
        return [];
    }
}

// Initialize the class
new FKCart_Disable_Upsells();