以编程方式从购物车中删除应用的特定费用 [英] Remove applied specific fee from Cart programmatically

问题描述

我已通过以下方式向我的 WooCommerce 购物车收取特定费用:

I have applied a specific fee to my WooCommerce cart in the following way:

WC()->cart->add_fee( __( "Delivery Fee"), 50);

上面代码的作用是，除了小计和运费之外，它还在总和中添加了运费并正确显示了总计.

What the above code does is that in addition to the Subtotal and Shipping charges, it adds the Delivery Fee to the total and shows the grand total correctly.

我现在想以编程方式删除应用的费用，但我无法这样做.

I want to now remove the applied fees programmatically, but I am unable to do so.

我试过了，但它不起作用:

WC()->cart->remove_fees( __( "Delivery Fee"));

这是我的完整代码:

add_action( 'woocommerce_before_cart', 'custom_fees' );
function custom_fees() {
    // Add Fees - This WORKS
    WC()->cart->add_fee( __( "Delivery Fee"), 50);

    // Remove Fees - This DOES NOT WORK
    WC()->cart->remove_fees( __( "Delivery Fee"));
}

如何在无需清除购物车的情况下以编程方式移除应用费用?

推荐答案

取决于您的需求，这里有一个解决方案:

Depends on how you need this be, here's one solution:

add_action( 'woocommerce_before_calculate_totals', 'custom_fees' );
function custom_fees() {
    // Add Fees - This WORKS
    WC()->cart->add_fee( __( "Delivery Fee"), 50); // gets removed
    WC()->cart->add_fee( __( "Delivery Fee2"), 150); // will not be removed.

    $fees = WC()->cart->get_fees();
    foreach ($fees as $key => $fee) {
        if($fees[$key]->name === __( "Delivery Fee")) {
            unset($fees[$key]);
        }
    }
    WC()->cart->fees_api()->set_fees($fees);
}

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