codeigniter-从函数获取所需的数组，结果是数组列表

Question

所以我有这个功能getList 。 我想要完成的是：

1. 获取结果为数组列表的stateApi函数（此函数为API。）
2. 从数组列表中仅获取所需的数组。
3. 保存到数据库。

stateApi函数的结果是：

Array
(
[ack] => Array
    (
        [ackstatus] => OK
        [ackreason] => Array
            (
            )

    )

[type] => 01
[states] => Array
    (
        [statecount] => 3
        [state] => Array
            (
                [0] => Array
                    (
                        [@attributes] => Array
                            (
                                [cd] => 01
                                [name] => America
                                [desc] => USA
                            )

                    )

                [1] => Array
                    (
                        [@attributes] => Array
                            (
                                [cd] => 02
                                [name] => China
                                [desc] => CHN
                            )

                    )

                [2] => Array
                    (
                        [@attributes] => Array
                            (
                                [cd] => 03
                                [name] => Russia
                                [kana] => RSA
                            )

                    )

            )
    )
)

我只想得到state数组的内容。 例如：

[0] => Array
(
     [@attributes] => Array
     (
          [cd] => 01
          [name] => America
          [desc] => USA
     )
 )
[1] => Array
(
     [@attributes] => Array
     (
          [cd] => 02
          [name] => China
          [desc] => CHN
     )
 )
[2] => Array
(
     [@attributes] => Array
     (
          [cd] => 03
          [name] => Russia
          [kana] => RSA
     )
 )

这是我所能做的代码；

//TODO:
//call api
$prefapi = $this->itpApi->getPrefectures();

foreach ($prefapi as $pref) {
    $data = $pref["states"]["state"];
}
//Save DB
$this->db->insert('Prefecture',$data);

Answer 1

如果要在一行中插入所有状态数组，则无需进行如下所示的foreach操作即可：-

 $prefapi['states']['state'];

或者如果您想要一个接一个地做

 foreach($prefapi['states']['state'] as $value)
    {
       then your insert query
     }

Answer 2

您可以通过添加一个数组变量来做到这一点。

$insertData = array(); 
$prefapi = $this->itpApi->getPrefectures();

foreach ($prefapi as $pref) {
    $insertData[] = $pref["states"]["state"];
}

$this->db->insert('Prefecture',$insertData);