使用过滤器或挂钩修改购物车总金额 [英] Modify cart total amount with filter or hook

问题描述

好的，所以我正在尝试编写一个过滤器或挂钩，它会根据购物车中商品的总量来修改购物车的总量.例如，如果购物车中有三件商品，我想从总订单中扣除二十美元.以下是我到目前为止的代码，非常感谢任何帮助！

Okay so I'm trying to write a filter or hook that will modify the total amount of the shopping cart depending on the total overall amount of items in the shopping cart. For example, if there are three items in the shopping cart, I want to deduct twenty dollars from the total order. Below is the code I have so far, any help is greatly appreciated!

add_filter('woocommerce_cart_contents_total', 'bundle_deals');

function bundle_deals( $cart_contents_total, $cart_contents_count) {
   global $woocommerce;

   if ($woocommerce->cart->get_cart()->cart_contents_count <= 3) {
     $cart_contents_total = $woocommerce->cart->get_cart()->cart_contents_total - 20.00;
   }

   return $cart_contents_total;
}

推荐答案

function woocommerce_cart_subtotal(  $cart_subtotal, $compound, $obj  ){

$t = 0;
foreach ( $obj->cart_contents as $key => $product ) : 

    $product_price = $product['line_total'];    

    foreach ( WC()->cart->get_coupons( 'order' ) as $code => $coupon ) : 

            $product_price  = 19;//wpq_9522_discount( $product['line_total'], $coupon->discount_type, $coupon->amount ); 

    endforeach; 

    $t += $product_price;

endforeach; 

return $cart_subtotal;//( $t > 0 ) ? sprintf( '<s>%s</s> %s',      
$cart_subtotal, wc_price( $t ) ) : $cart_subtotal ;
}

add_filter( 'woocommerce_cart_subtotal', 'woocommerce_cart_subtotal',      99, 3 );

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