【问题标题】:Display ALL cross-sell items in WooCommerce cart在 WooCommerce 购物车中显示所有交叉销售商品
【发布时间】:2022-01-21 06:04:10
【问题描述】:

我试图始终显示我购物车中的所有交叉销售商品。

位于文件class-wc-cart.php 中的函数get_cross_sells() 如下所示:

/**
 * Gets cross sells based on the items in the cart.
 *
 * @return array cross_sells (item ids)
 */
public function get_cross_sells() {
    $cross_sells = array();
    $in_cart     = array();
    if ( ! $this->is_empty() ) {
        foreach ( $this->get_cart() as $cart_item_key => $values ) {
            if ( $values['quantity'] > 0 ) {
                $cross_sells = array_merge( $values['data']->get_cross_sell_ids(), $cross_sells );
                $in_cart[]   = $values['product_id'];
            }
        }
    }
    $cross_sells = array_diff( $cross_sells, $in_cart );
    return apply_filters( 'woocommerce_cart_crosssell_ids', wp_parse_id_list( $cross_sells ), $this );
}

$cross_sells = array_diff( $cross_sells, $in_cart ); 行删除了购物车中的所有交叉销售商品。


这个“有点”可以,但这样我就必须在添加或删除交叉销售项目时对主题进行更改。

add_filter( 'woocommerce_cart_crosssell_ids', 'my_custom_cross_sells' );
function my_custom_cross_sells( $cross_sell_ids ){ 
    $cross_sell_ids = [4782, 4777, 4776, 4783]; 
    return $cross_sell_ids;
}

我将如何从我的子主题中覆盖此功能以始终显示所有项目?

【问题讨论】:

    标签: php wordpress woocommerce product cart


    【解决方案1】:

    woocommerce_cart_crosssell_ids 过滤器挂钩将允许您完全重写 get_cross_sells() 函数。

    因此,要在 WooCommerce 购物车中显示所有交叉销售商品,您将获得:

    function filter_woocommerce_cart_crosssell_ids( $cross_sells, $cart ) {
        // Initialize
        $cross_sells_ids_in_cart = array();
        
        // Loop through cart items
        foreach ( $cart->get_cart() as $cart_item_key => $values ) {
            if ( $values['quantity'] > 0 ) {
                // Merge one or more arrays
                $cross_sells_ids_in_cart = array_merge( $values['data']->get_cross_sell_ids(), $cross_sells_ids_in_cart );
            }
        }
        
        // Cleans up an array, comma- or space-separated list of IDs
        $cross_sells = wp_parse_id_list( $cross_sells_ids_in_cart );
    
        return $cross_sells;
    }
    add_filter( 'woocommerce_cart_crosssell_ids', 'filter_woocommerce_cart_crosssell_ids', 10, 2 );
    

    【讨论】:

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