Php 将具有相同值的数组分组的最佳方法

我需要你的帮助来解决这个问题：）

我有这个数组

    Array ( 
    [0] => Array ( [order_id] => 121 [item_id] => 4344 [item_name] => Product [item_price] => 123 [item_type] => product [paypal_address] => email@test.com [qty] => 4 [currency] => EUR ) 
    [1] => Array ( [order_id] => 121 [item_id] => 3444 [item_name] => Product1 [item_price] => 444 [item_type] => product [paypal_address] => email@test.com [qty] => 2 [currency] => EUR ) 
    [2] => Array ( [order_id] => 121 [item_id] => 1233 [item_name] => Product2 [item_price] => 120 [item_type] => product [paypal_address] => email2@test.com [qty] => 18 [currency] => EUR ) 
)

我想在它上面循环，并将它们按值分组到一个新数组中

例如：

选择阵列中具有相同paypal_地址和价格、和数量的所有项目，并将其移动到新阵列中

这就是我想要实现的目标，有什么提示/建议吗

编辑： 最后，我想要一个这样或类似的数组：

Array ( 
    [0] => Array ( [order_id] => 121 [items_id] => array(4344, 3444) [items_name] => 'Product , Product1' [amt] => 567 [item_type] => product [paypal_address] => email@test.com [qty] => 8 [currency] => EUR )
    [1] => Array ( [order_id] => 121 [items_id] => 1233 [items_name] => Product2 [amt] => 120 [item_type] => product [paypal_address] => email2@test.com [qty] => 18 [currency] => EUR ) 
)

EDIT2: 到目前为止我做了什么。但是它不好用，也不好读

        $groupedParams = array();
        foreach($params as $key=>$param){
            if(!array_key_exists($param['paypal_address'], $groupedParams) && $param['item_type'] == 'product'){
                $groupedParams[$param['paypal_address']] = array(
                    'order_id' => $param['order_id'],
                    'item_id' => $param['item_id'],
                    'item_name' => $param['item_name'],
                    'qty' => $param['qty'],
                    'amt' => $param['item_price'],
                    'item_type' => $param['item_type']
                );
            }else if(array_key_exists($param['paypal_address'], $groupedParams) && $param['item_type'] == 'product'){
                $newItemId = $groupedParams[$param['paypal_address']]['item_id'].','.$param['item_id'];
                $newAmt = (int)$groupedParams[$param['paypal_address']]['amt']+(int)$param['item_price'];
                $newQty = (int)$groupedParams[$param['paypal_address']]['qty']+(int)$param['qty'];
                $newItemName = (string)$groupedParams[$param['paypal_address']]['item_name'].' - '.(int)$param['item_name'];

                $groupedParams[$param['paypal_address']] = array(
                    'order_id' => $param['order_id'],
                    'item_id' => $newItemId,
                    'item_name' => $newItemName,
                    'qty' => $newQty,
                    'amt' => $newAmt,
                    'item_type' => $param['item_type']
                );
            }
}

谢谢

获取数组及其值

在paypal_地址上创建唯一密钥

使用唯一键创建临时数组

在临时数组中使用各自的唯一键存储所有值

    $arr =     Array (
        '0' => Array ( 'order_id' => 121 ,'item_id' => 4344 ,'item_name' => 'Product' ,'item_price' => 123 ,'item_type' => 'product' ,'paypal_address' => 'email@test.com' ,'qty' => 4 ,'currency' => 'EUR' ) ,
        '1' => Array ( 'order_id' => 121 ,'item_id' => 3444 ,'item_name' => 'Product1' ,'item_price' => 444 ,'item_type' => 'product' ,'paypal_address' => 'email@test.com' ,'qty' => 2 ,'currency' => 'EUR' ) ,
        '2' => Array ( 'order_id' => 121 ,'item_id' => 1233 ,'item_name' => 'Product2' ,'item_price' => 120 ,'item_type' => 'product' ,'paypal_address' => 'email2@test.com' ,'qty' => 18 ,'currency' => 'EUR' )
    );
    $tmpArr = Array();
    $cnt = sizeof($arr);
    for($i=0;$i<$cnt;$i++){
            $paypal_address = $arr[$i]['paypal_address'];
            if(!is_array($tmpArr[$paypal_address])){
                    $tmpArr[$paypal_address] = Array();
            }
            $tmpArr[$paypal_address]['paypal_address'] = $arr[$i]['paypal_address'];
            $tmpArr[$paypal_address]['order_id'] = $arr[$i]['order_id'];
            $tmpArr[$paypal_address]['item_name'][] = $arr[$i]['item_name'];
            $tmpArr[$paypal_address]['item_type'][] = $arr[$i]['item_type'];
            $tmpArr[$paypal_address]['currency'][] = $arr[$i]['currency'];


            $tmpArr[$paypal_address]['qty'] = isset($tmpArr[$paypal_address]['qty']) ? $tmpArr[$paypal_address]['qty'] + $arr[$i]['qty'] : $arr[$i]['qty'];
            $tmpArr[$paypal_address]['item_id'] = $arr[$i]['item_id'];
            $tmpArr[$paypal_address]['item_id'][] = $item_id;
            $tmpArr[$paypal_address]['item_price'] = isset($tmpArr[$paypal_address]['item_price']) ? $tmpArr[$paypal_address]['item_price'] + $arr[$i]['item_price'] : $arr[$i]['item_price'];

    }
    print_r($tmpArr);

---

注意：根据您的需求对代码进行更改

根据我的理解，您想将其重新组织为更清晰的格式，简单地说：

$array = array();
foreach($params as $ar) {
    $array[$ar['paypal_address']][] = $ar;
}

---

示例：

显示所需输出阵列的示例您的原始阵列没有

amt

键，而所需阵列有您试图解决的问题？您是从JOIN query获得这个数组的，现在正试图以HTML格式很好地呈现它？看看它，使用类似于：array（['email@test.com']=>数组（数组（[订单id]=>121[项目id]=>4344[项目名称]=>产品[项目价格]=>123[项目类型]=>产品[数量]=>4[货币]=>EUR），数组（[订单编号]=>121[项目编号]=>3444[项目名称]=>Product1[项目价格]=>444[项目类型]=>product[数量]=>2[货币]=>EUR]，['email2@test.com']=>数组（数组（[订单id]=>121[商品id]=>1233[商品名称]=>Product2[商品价格]=>120[商品类型]=>product[数量]=>18[货币]=>EUR）））；输出结构没有意义。至少要弄清楚你具体需要什么。然后试着自己解决

$array = array();
foreach($params as $ar) {
    $array[$ar['paypal_address']][] = $ar;
}

    $details =Array ( 
        [0] => Array ( [order_id] => 121 [item_id] => 4344 [item_name] => Product [item_price] => 123 [item_type] => product [paypal_address] => email@test.com [qty] => 4 [currency] => EUR ) 
        [1] => Array ( [order_id] => 121 [item_id] => 3444 [item_name] => Product1 [item_price] => 444 [item_type] => product [paypal_address] => email@test.com [qty] => 2 [currency] => EUR ) 
        [2] => Array ( [order_id] => 121 [item_id] => 1233 [item_name] => Product2 [item_price] => 120 [item_type] => product [paypal_address] => email2@test.com [qty] => 18 [currency] => EUR ) 
    )
    $sorted = array();
    foreach ($details as $key => $value) {
      $add = $value['paypal_address'];
      foreach ($details as $index => $detail) {
        if ($add == $detail['paypal_address']) {
          foreach ($detail as $cat => $val) {
            if (!in_array($val, $sorted[$key][$cat])) {
              $sorted[$key][$cat][] = $val;
            }
          }
          unset($details[$index]);
        }
      }
    }
// Output array
print_r($sorted);