Php 从购物车项目数组中删除重复项并添加数量

我有一个包含产品项目的数组，在某些情况下，产品会被添加到购物车中两次，我希望删除重复项并将数量添加到一起

项目需要通过

id

我能解决这个问题的最好办法是什么

一个示例阵列是：

Array
        (

        [0] => Array
            (
                [type] => fabrication
                [id] => 886
                [price] => 11.00
                [quantity] => 1
                [producttitle] => Edge Profiles - Edge Profile B - Single 5mm Radius
                [index] => 2
            )

        [1] => Array
            (
                [type] => fabrication
                [id] => 887
                [price] => 11.00
                [quantity] => 1
                [producttitle] => Edge Profiles - Edge Profile C - Single 19mm Radius
                [index] => 3
            )

        [2] => Array
            (
                [type] => fabrication
                [id] => 887
                [price] => 11.00
                [quantity] => 10
                [producttitle] => Edge Profiles - Edge Profile C - Single 19mm Radius
                [index] => 4
            )

    )

这应成为：

Array
    (

        [0] => Array
            (
                [type] => fabrication
                [id] => 886
                [price] => 11.00
                [quantity] => 1
                [producttitle] => Edge Profiles - Edge Profile B - Single 5mm Radius
                [index] => 2
            )

        [1] => Array
            (
                [type] => fabrication
                [id] => 887
                [price] => 11.00
                [quantity] => 11
                [producttitle] => Edge Profiles - Edge Profile C - Single 19mm Radius
                [index] => 3
            )

    )

类似这样（未经测试）：

注意，您的新数组将按项ID进行索引，这实际上会对您有很大帮助。一开始就这样做，检查现有购物车项目要容易得多，而不是一开始就允许重复

如果您确实不喜欢按ID索引

$cleanArray

，您可以在重复清理后将其删除：

$cleanArray = array_values($cleanArray);

---

创建新数组以检查并合并结果：

$check=array（）

然后在现有数组上循环，并使用id作为检查数组的数组键

foreach(array as $whatever){  
  if(isset($check[$whatever['id']])){  
    $check[$whatever['id']]['quantity'] += $whatever['quantity'];  
  } else {  
    $check[$whatever['id']] = $whatever;  
  }  
}  

现在，您应该有一个数组$check，用组合结果替换原始数组

---

哦，看来jszobody打败了我：）

我下面的答案有用吗？有用。非常感谢，巴德。

foreach(array as $whatever){  
  if(isset($check[$whatever['id']])){  
    $check[$whatever['id']]['quantity'] += $whatever['quantity'];  
  } else {  
    $check[$whatever['id']] = $whatever;  
  }  
}