Question

我很难弄清楚如何实现这一点。我有一个数组

$arr = array("purchase_order_details_id"=>array(
               0=>"POD1",
               1=>"POD1",
               2=>"POD2",
           ),
            "quantity_received"=>array(
               0=>5,
               1=>10,
               2=>20
            )
         );

我想将数组拆分为两个。这样的事情。

$pod_2 = array("purchase_order_details_id"=>array(
       0=>"POD1",
       1=>"POD1"
       ),
       "quantity_received"=>array(
       0=>5,
       1=>10
       ));

$pod_1 = array("purchase_order_details_id"=>array(
       2=>"POD2"
       ),
       "quantity_received"=>array(
       2=>20
       ));

任何人都知道如何做到这一点？任何想法都表示赞赏。感谢

Answer 1

尝试使用以下代码：

$array = array();   
foreach($arr['purchase_order_details_id'] as $key => $val)
{
    $array[$val]['purchase_order_details_id'][] = $val;
    $array[$val]['quantity_received'][] = $arr['quantity_received'][$key];
}

echo "<pre>";
    print_r($array);
echo "</pre>";

extract($array);

echo "<pre>";
    print_r($POD1);
echo "</pre>";

echo "<pre>";
    print_r($POD2);
echo "</pre>";

Answer 2

我使用array_intersect在唯一PO的循环中查找PO 然后我使用array_inyersect_key来获取数量每个唯一的Purchase_order_detali_id只需要一次迭代这意味着它比循环整个数组具有更好的性能。

编辑：添加提取物以创建两个变量。但如果我是你，我宁愿把它们放在阵列中。

$pods = array_unique($arr["purchase_order_details_id"]);

Foreach($pods as $pod){
    $PO = array_intersect($arr["purchase_order_details_id"], [$pod]);
    $qt = array_intersect_key($arr["quantity_received"], $PO);
    $new[$pod] = ["purchase_order_details_id" => $PO, "quantity_received" => $qt];
}
Var_dump($new);
extract($new);

https://3v4l.org/dBpuJ

Answer 3

foreach ($arr as $key => $val) {
    $size = ceil(count($val) / 2);

    $arr2 = array_chunk($val, $size, true);

    $pod_2[$key] = $arr2[0];
    $pod_1[$key] = $arr2[1];
}

var_dump($pod_2);
var_dump($pod_1);

PHP按数值将数组拆分为2个数组

3 个答案: