[英]Combine and sum values in multi-dimensional associative array using php
我有一个如下所示的关联数组:
Array (
[0] => Array (
[amount] => 3
[name] => Chuck
)
[1] => Array (
[amount] => 2
[name] => Steve
)
[2] => Array (
[amount] => 5
[name] =>
)
[3] => Array (
[amount] => 4
[name] => Chuck
)
[4] => Array (
[amount] =>
[name] => Chuck
)
)
我需要删除缺少名称或数量的值,例如 [2] 和 [4],然后对每个名称的总数求和,以便最终数组为:
Array (
[0] => Array (
[amount] => 7
[name] => Chuck
)
[1] => Array (
[amount] => 2
[name] => Steve
)
)
对于现在寻找这个的人来说,这会更干净:
$sum = array_sum(array_column($data, 'amount'));
试试这个:
$starting_array = array( ... ); // Initial array with your setup
$final_array = array();
$sum = 0;
foreach ($starting_array as $idx => $data) {
if (!empty($data['amount']) && !empty($data['name'])) {
$final_array[$idx] = $data;
$sum += $data['amount'];
}
}
// After looping through all of the items, $final_array should contain all
// of the specific items that have an amount and name set. In addition, the
// total of all of the amounts will be in $sum.
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.