[英]Array sum of value by same key
Array (
[0] => Array ( [SiteID] => 147 [Amount] => 500.00 [TransactionType] => Deposit )
[1] => Array ( [SiteID] => 147 [Amount] => 500.00 [TransactionType] => Redemption)
[2] => Array ( [SiteID] => 147 [Amount] => 1500.00[TransactionType] => Deposit )
[3] => Array ( [SiteID] => 147 [Amount] => 200.00 [TransactionType] => Reload )
[4] => Array ( [SiteID] => 150 [Amount] => 100.00 [TransactionType] => Deposit )
[5] => Array ( [SiteID] => 3 [Amount] => 500.00 [TransactionType] => Redemption )
[6] => Array ( [SiteID] => 150 [Amount] => 200.00 [TransactionType] => Redemption )
[7] => Array ( [SiteID] => 3 [Amount] => 500.00 [TransactionType] => Deposit )
[8] => Array ( [SiteID] => 3 [Amount] => 200.00 [TransactionType] => Deposit )
[9] => Array ( [SiteID] => 3 [Amount] => 200.00 [TransactionType] => Reload )
[10] => Array ( [SiteID] =>147 [Amount] => 500.00 [TransactionType] => Redemption ))
)
如何根據相同的“SiteID”和“TransactionType”對“金額”求和。 我的數據將顯示如下:
array ([147]=>array([Deposit] => "total amount", [Reload]=> "total amount" [Redemption]=> "total amount"))
array ([150]=>array([Deposit] => "total amount", [Reload]=> "total amount" [Redemption]=> "total amount"))
array ([3]=>array ([Deposit] => "total amount", [Reload]=> "total amount" [Redemption]=> "total amount"))
謝謝。 請回復。 :)
請在將來提供一個工作數組片段。
$transactions = array (
array( 'SiteID' => 147, 'Amount' => '500.00', 'TransactionType' => 'Deposit' ),
array( 'SiteID' => 147, 'Amount' => '500.00', 'TransactionType' => 'Redemption'),
array( 'SiteID' => 147, 'Amount' => '1500.00', 'TransactionType' => 'Deposit' ),
array( 'SiteID' => 147, 'Amount' => '200.00', 'TransactionType' => 'Reload' ),
array( 'SiteID' => 150, 'Amount' => '100.00', 'TransactionType' => 'Deposit' ),
array( 'SiteID' => 3, 'Amount' => '500.00', 'TransactionType' => 'Redemption' ),
array( 'SiteID' => 150, 'Amount' => '200.00', 'TransactionType' => 'Redemption' ),
array( 'SiteID' => 3, 'Amount' => '500.00', 'TransactionType' => 'Deposit' ),
array( 'SiteID' => 3, 'Amount' => '200.00', 'TransactionType' => 'Deposit' ),
array( 'SiteID' => 3, 'Amount' => '200.00', 'TransactionType' => 'Reload' ),
array( 'SiteID' =>147, 'Amount' => '500.00', 'TransactionType' => 'Redemption' )
);
$totals = null;
foreach ($transactions as $t){
$amount = (float) $t['Amount'];
if (isset($totals[ $t['SiteID'] ][ $t['TransactionType'] ])){
$totals[ $t['SiteID'] ][ $t['TransactionType'] ] += (float) $amount;
} else {
$totals[ $t['SiteID'] ][ $t['TransactionType'] ] = (float) $amount;
}
}
print_r ($totals);
這將產生如下結果:
Array ( [147] => Array ( [Deposit] => 2000 [Redemption] => 1000 [Reload] => 200 ) [150] => Array ( [Deposit] => 100 [Redemption] => 200 ) [3] => Array ( [Redemption] => 500 [Deposit] => 700 [Reload] => 200 ) )
如果你可以處理php通知警告,循環可以縮短為:
foreach ($transactions as $t){
$totals[ $t['SiteID'] ][ $t['TransactionType'] ] += (float) $t['Amount'];
}
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