在php或Javascript(phpjs)中数组遍历和替换

Question

这是我的阵列：

$frndof = array(
        "name" => 'frnd_of_xyx',
        "id" => 001,
        "url" => 'example.com/frnd_of_xyx',
        "address" => array(
                "city" => 'NewZend',
                "zip" => '100450'));
$frndof1 = array(
        "name" => 'frnd_of_xyx1',
        "id" => 0011,
        "url" => 'example.com/frnd_of_xyx1',
        "frnds" => $frndof,
        "address" => array(
                "city" => 'NewZend1',
                "zip" => '100422'));
$a = array(
        array(
                "name" => 'xyx',
                "id" => 001,
                "url" => 'example.com/xyx',
                "address" => array(
                        "city" => 'cochin',
                        "zip" => '100450')),
        array(
                "name" => 'abc',
                "id" => 001,
                "url" => 'example.com/abc',
                "frnds" => $frndof1,
                "address" => array(
                        "city" => 'Bosco',
                        "zip" => '100450')),
        array(
                "name" => 'EFG',
                "id" => 001,
                "url" => 'example.com/EFG',
                "address" => array(
                        "city" => 'NY',
                        "zip" => '100450')));

我需要一个将以下数组array_fig(1)替换为

[frnds] => Array
(
    [name] => frnd_of_xyx
    [id] => 1
    [url] =>example.com/frnd_of_xyx /* this is the unique key */
    [address] => Array
        (
            [city] => NewZend
            [zip] => 100450
        )
)

array_fig(2)

[frnds] => Array
(
    [name] => frnd_of_xyx
    [id] => 1
    [url] =>example.com/frnd_of_xyx /* this is the unique key */
    [address] => Array
        (
            [city] => NewZend_neww
            [zip] => 1004501212122
        )
)

键URL是唯一的键。需要用新的frnds数组替换frnds数组。如何找到以“url”键为唯一的父键或数组键。

**注：**该数组用于XML生成，因此，这些是元素和属性，因此是内部元素概念

Answer 1

由于您还没有将键字段用作数组中的实际键，唯一可用的技术是线性搜索，即使用foreach对整个数组进行迭代。

$found=false;
foreach ($myarray as $key=>$val)
{
    if ($val['url']==$targetURL)
    {
        $myarray[$key]['address']=$newAddress;
        $found=true;
        break; 
    }
}

在Javascript中，类似这样的

   var found=false;
   var key;
   for (key in myarray)
   {
       if (myarray[key]['url']==targetURL)
       {
             myarray[key]['address']=newAddress;
             found=true;
             break;
       }
   }