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有這樣陣列(放置代碼在這裏http://codepad.viper-7.com/mTqf6W)PHP總和值,如果子陣列是不一樣的長度(不相同的數字鍵的)
Array
(
[17,bank stmt,1,23,3,2014] => Array
(
[0] => Array
(
[RecordDay] => 17
[Amount] => 1.5
)
)
[17,invoice,2,17,3,2014] => Array
(
[0] => Array
(
[RecordDay] => 17
[Amount] => 0.21
)
[1] => Array
(
[RecordDay] => 17
[Amount] => 1
)
)
)
想要得到的[Amount]
總計爲每個子陣列。對於第一個子數組,只有一個密鑰,所以Total等於[Amount]
。但對於第二子陣有2個鍵(可能超過2個鍵),所以在某些方面需要總結所有[Amount]
對於[17,bank stmt,1,23,3,2014]
爲1.5,[17,invoice,2,17,3,2014]
是1.21
下面一些例子PHP Array_Sum on multi dimensional array嘗試創建代碼。創建
$values = array('Amount' => 0);
$counter = 0;
foreach ($temp_array as $key => $item) {
$values['Amount'] += $item[$counter]['Amount'];
$counter++;
}
得到錯誤 '的通知:未定義抵消:2'