在php中创建一个ADITION

我的添加有问题： 所以我有这个代码：

                $total = 0;
                foreach(getHistory($this->id) as $history){
                    $aHistoryFilter['date']                 = $history['date'];
                    $aHistoryFilter['ls']                   = $history['ls']);
                    $aHistoryFilter['montant']              = $history['montant'];
                    $aHistoryFilter['total_montant']        = $total+$history['montant'];
                    $aHistory[] = $aHistoryFilter;

                }
                return $aHistory;

所以我想把最后一个值保存在

total\u montant

中，但不起作用，我不明白为什么…你能帮我吗？Thx提前

您还应执行以下操作：

$total  = $total + $history['montant'];

否则不添加任何内容（因为

$total=0；

）

所以你得到：

           foreach(getHistory($this->id) as $history){
                $aHistoryFilter['date']                 = $history['date'];
                $aHistoryFilter['ls']                   = $history['ls']);
                $aHistoryFilter['montant']              = $history['montant'];
                $aHistoryFilter['total_montant']        = $total+$history['montant'];
                $total  = $total + $history['montant'];
                $aHistory[] = $aHistoryFilter;

            }

你还应该做：

$total  = $total + $history['montant'];

否则不添加任何内容（因为

$total=0；

）

所以你得到：

           foreach(getHistory($this->id) as $history){
                $aHistoryFilter['date']                 = $history['date'];
                $aHistoryFilter['ls']                   = $history['ls']);
                $aHistoryFilter['montant']              = $history['montant'];
                $aHistoryFilter['total_montant']        = $total+$history['montant'];
                $total  = $total + $history['montant'];
                $aHistory[] = $aHistoryFilter;

            }

---

将您的代码更新为：

$total = 0;
foreach(getHistory($this->id) as $history){
$aHistoryFilter['date']                 = $history['date'];
$aHistoryFilter['ls']                   = $history['ls']);
$aHistoryFilter['montant']              = $history['montant'];
$total       = $total+$history['montant'];
$aHistory[] = $aHistoryFilter;

}
$aHistoryFilter['total_montant'] = $total ;

---

因为在代码中，您将

$history['montant']

分配给

$total

，但未将结果分配给

$total

将代码更新为：

$total = 0;
foreach(getHistory($this->id) as $history){
$aHistoryFilter['date']                 = $history['date'];
$aHistoryFilter['ls']                   = $history['ls']);
$aHistoryFilter['montant']              = $history['montant'];
$total       = $total+$history['montant'];
$aHistory[] = $aHistoryFilter;

}
$aHistoryFilter['total_montant'] = $total ;

因为在您的代码中，您将

$history['montant']

分配给

$total

，但您没有将结果分配给

$total

，请尝试以下操作：

            $total = 0;
            foreach(getHistory($this->id) as $history){
                $aHistoryFilter['date']                 = $history['date'];
                $aHistoryFilter['ls']                   = $history['ls']);
                $aHistoryFilter['montant']              = $history['montant'];

                // this adds the $history['montant'] to the $total
                $total                                 += $history['montant'];
                // this adds the $total to your variable
                $aHistoryFilter['total_montant']        = $total;

                $aHistory[] = $aHistoryFilter;

            }
            return $aHistory;

试试这个：

            $total = 0;
            foreach(getHistory($this->id) as $history){
                $aHistoryFilter['date']                 = $history['date'];
                $aHistoryFilter['ls']                   = $history['ls']);
                $aHistoryFilter['montant']              = $history['montant'];

                // this adds the $history['montant'] to the $total
                $total                                 += $history['montant'];
                // this adds the $total to your variable
                $aHistoryFilter['total_montant']        = $total;

                $aHistory[] = $aHistoryFilter;

            }
            return $aHistory;

---

尝试放置$ahistore[]=$ahistorefilter；在$ahistorefilter['date']之前，您从不更新

$total

，因此实际上您正在执行

total\u montant=0+montant

，这归结为

total\u montant=montant

尝试将$ahistore[]=ahistorefilter；在$aHistoryFilter['date']之前，您从未更新过

$total

，因此实际上您正在执行

total\u montant=0+montant

，这归结为

total\u montant=montant

您迟到了几秒钟；P@BasvanStein没问题。我会投你一票让我来报答你的好意，毕竟所有的伟人都这么想；P@BasvanStein没问题。我会投你一票让我来回报你，毕竟所有的伟人都有相同的想法。