对多维数组的限定行中的列值求和

Question

我有以下数组：

Array
(
    [data] => Array
        (
            [0] => Array
                (
                    [amount] => 16800
                    [created] => 1438114651
                    [status] => pending
                )

            [1] => Array
                (
                    [amount] => 16800
                    [created] => 1435854159
                    [status] => available
                )

            [2] => Array
                (
                    [amount] => 3300
                    [created] => 1435711645
                    [status] => available
                )
        )
)

我需要仅使用

sum of the amounts

并且在两个创建日期之间过滤此数组

available status

？

我需要

foreach

吗？

Answer 1

您可能正在寻找这样的东西：

function totalAmount($array, $start = 0, $end = 1E+11) {
    $totalAvailable = 0;
    foreach($array as $item) {
        if(
            $item['status'] == 'available'
            && $item['created'] >= $start
            && $item['created'] < $end
            ) $totalAvailable += $item['amount'];
    }
    return $totalAvailable
}

$sum = totalAmount($foo['data'], $unixtimeStart, $unixtimeEnd);

我使用

>=

作为开始条件，但您可以根据需要进行调整。 此外，开始和结束参数现在是可选的。

Answer 2

请尝试这个

$data=    Array
(
    [data] => Array
        (
            [0] => Array
                (
                    [amount] => 16800
                    [created] => 1438114651
                    [status] => pending
                )

            [1] => Array
                (
                    [amount] => 16800
                    [created] => 1435854159
                    [status] => available
                )

            [2] => Array
                (
                    [amount] => 3300
                    [created] => 1435711645
                    [status] => available
                )
        )
)

$createdFrom = ...; // from date
$createdTo=...; // to date
$total=0;
foreach($data['data'] as $array)
    if($array['created'] > $createdfrom && $array['created'] < $createdTo) 
        if($array['status']=="available")
            $total+=$array['amount'];
echo $total;