array，从数组键中提取值，然后组在一起

Question

使用sencha touch（对于问题而言并不重要），将数据阵列发送到我的PHP脚本。

["slider3"]     =>  1
["toggle3"]     =>  0
["text3"]       =>  "text"
["slider8"]     =>  5
["toggle8"]     =>  0
["text8"]       =>  "text"
["slider11"]    =>  4
["toggle11"]    =>  0
["text11"]      =>  "text"
["slider4"]     =>  1
["toggle4"]     =>  0
["text4"]       =>  "text"

您可以看到数组有点“奇怪”，因为没有逻辑标识符（1-> 2-> 3）。取而代之的是输入字段的名称（来自sencha），其中添加到此字符串中。

您在密钥末端看到的数字（3、8、11、4）是“ data”的实际ID。

这就是我卡住的地方。为了进一步处理数据，我想将收到的数组更改为这样的另一个数组：

[0]

    ["questionid"]  =>  3 (<- Number on the end of the original key)
    ["toggle"]      =>     value from toggle3
    ["slider"]      =>  value from slider3
    ["text"]        =>  value form text3

[1]

    ["questionid"]  =>  8 (<- Number on the end of the original key)
    ["toggle"]      =>  value from toggle8
    ["slider"]      =>  value from slider8
    ["text"]        =>  value from text8

etc.

或换句话说，我想在新数组中将数据与密钥末端的同一ID分组。

任何人都知道如何解决这个问题？
    

try：

<?php
$data = array(
    "slider3"     =>  1,
    "toggle3"     =>  0,
    "text3"       =>  "text",
    "slider8"     =>  5,
    "toggle8"     =>  0,
    "text8"       =>  "text",
    "slider11"    =>  4,
    "toggle11"    =>  0,
    "text11"      =>  "text",
    "slider4"     =>  1,
    "toggle4"     =>  0,
    "text4"       =>  "text",
);

$newData = array();
foreach ($data as $entryKey => $entry) {
    if (preg_match('/^(.+?)(\d+)$/', $entryKey, $matches)) {
        list(, $key, $id) = $matches;

        if (!isset($newData[$id])) {
            $newData[$id] = array(
                'questionid' => $id
            );
        }

        $newData[$id][$key] = $entry;
    }
}

$newData = array_values($newData);
print_r($newData);

Answer 1

输出

：

Array
(
    [0] => Array
        (
            [questionid] => 3
            [slider] => 1
            [toggle] => 0
            [text] => text
        )

    [1] => Array
        (
            [questionid] => 8
            [slider] => 5
            [toggle] => 0
            [text] => text
        )

    [2] => Array
        (
            [questionid] => 11
            [slider] => 4
            [toggle] => 0
            [text] => text
        )

    [3] => Array
        (
            [questionid] => 4
            [slider] => 1
            [toggle] => 0
            [text] => text
        )

)

为了避免在结果数组中分配临时分组键，请将参考将每个遇到的组的参考推入结果数组中，然后将孩子推入其中。这样，不需要迭代结果。 demo

array_values()

Answer 2