多维数组array_sum [英] multidimensional array array_sum

问题描述

我已经看到关于这个问题的各种帖子，所以我知道可能存在一些答案.然而，在阅读这些之后，我并不聪明.

I have seen various posted about this question so am aware some answers to this may exist. however I am none the wiser after reading these.

我有一个如下所示的数组.

I have an array that is like the following.

[0] => Array
    (
        [id] => 95659865986
        [invoiceNumber] => 6374324
        [invoiceTitle] => Monthly
        [invoiceStatus] => Paid
        [accountId] => 6235218753
        [totalExVat] => 158.95
        [dateCreated] => 1 Apr 2012
        [vatAmount] => 20.00
    )

我想要做的就是对这个数组的 vatAmount 值进行数组求和.

All I wish to do is do array sum on the vatAmount values of this array.

因为以下内容似乎没有多大作用.

As the following doesnt seem to be doing much.

(array_sum($account_invoices['vatAmount'])

推荐答案

只是一种方法:

$sum = 0;

foreach($account_invoices as $num => $values) {
    $sum += $values[ 'vatAmount' ];
}

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