我正在嘗試使用預定義的板作為數組來獲取折扣數（值）。例如，如果總產品數量在 11 到 20 之間，那么我想返回 25 作為折扣值。這可能很簡單，但我不知道該怎么做。因為簡單的 foreach 循環可能不起作用。/** * The function returns the discount amount from the slabs * * @param int $products_count total number of product in cart * * @return mixed null|int returns discount value if matches else null */public function product_discounts($products_count){ $discount_slabs = [ '10' => '15', '20' => '25', '30' => '35', '50' => '50', ]; foreach ($discount_slabs as $count => $discount) { if ($products_count <= $count) { $this->discount = $discount; } } return $this->discount;}
1 回答
揚帆大魚
TA貢獻1799條經驗 獲得超9個贊
您只需要在循環中返回折扣，這樣當您找到適合產品計數的最小平板時，您就可以停止查看后續值。否則所有值將返回 50%。如果您跳出循環，則用戶擁有超過 50 個產品，他們將獲得最后一個折扣值，這是最大的一個。像這樣的東西：
public function product_discounts($products_count)
{
$discount_slabs = [
'10' => '15',
'20' => '25',
'30' => '35',
'50' => '50',
];
// set the base discount
$this->discount = 0;
foreach ($discount_slabs as $count => $discount) {
if ($products_count <= $count) {
// if less than this bracket, return the current discount
return $this->discount;
}
// otherwise, increase the discount level
$this->discount = $discount;
}
return $this->discount = $discount;
}
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