PHP解析数组和获取计数

Question

我正在使用一个返回JSON对象的API，然后使用

将其解码为数组

我需要计算数组中所有[data]项，然后生成每个

中包含的所有[Total]值的总和

这是我的数组： -

Array
(
    [errorCode] => 0
    [result] => OK
    [data] => Array
        (
            [0] => Array
                (
                    [fieldData] => Array
                        (
                            [Due Date] => 11/30/2017
                            [Date] => 11/30/2017
                            [Total] => 128.97
                            [Customers::Company] => A B C Lock & Key
                            [Status] => Paid
                            [Date Payment] => 11/30/2017
                        )

                    [portalData] => Array
                        (
                        )

                    [recordId] => 1
                    [modId] => 4
                )

            [1] => Array
                (
                    [fieldData] => Array
                        (
                            [Due Date] => 12/01/2017
                            [Date] => 12/01/2017
                            [Total] => 256
                            [Customers::Company] => Kim Peacock Beringhause
                            [Status] => Paid
                            [Date Payment] => 12/01/2017
                        )

                    [portalData] => Array
                        (
                        )

                    [recordId] => 2
                    [modId] => 3
                )

            [2] => Array
                (
                    [fieldData] => Array
                        (
                            [Due Date] => 11/30/2017
                            [Date] => 11/30/2017
                            [Total] => 1880
                            [Customers::Company] => Norton, Robert L Esq
                            [Status] => Unpaid Overdue
                            [Date Payment] => 
                        )

                    [portalData] => Array
                        (
                        )

                    [recordId] => 3
                    [modId] => 0
                )



            [3] => Array
                (
                    [fieldData] => Array
                        (
                            [Due Date] => 12/22/2017
                            [Date] => 12/22/2017
                            [Total] => 1278
                            [Customers::Company] => Shapiro, Mark R Esq
                            [Status] => Unpaid
                            [Date Payment] => 
                        )

                    [portalData] => Array
                        (
                        )

                    [recordId] => 10
                    [modId] => 1
                )

        )

)

我试过了：

count($array)

返回3我可以看到的是该父数组中的3个项目的数量（errorCode，结果和数据），但我无法弄清楚如何关注data仅

我之后的计数值为4，总值为3542.97。

Answer 1

如需计数，您需要： -

count($array['data']);

获取所有Total索引值的总和： -

echo array_sum(array_column(array_column($array['data'],'fieldData'),'Total'));

合并输出： - https://eval.in/913897

参考： - PHP: array_column - Manual