PHP - 转换多维数组到二维数组点符号键 [英] PHP - Convert multidimensional array to 2D array with dot notation keys

问题描述

有很多的技巧和code的例子在那里访问PHP阵列，点符号，但我想这样做有点相反。我想借一个多维数组是这样的：

  $ myArray的=阵列（
    '键1'=＆GT; VALUE1，
    '键2'=＆GT;阵列（
        '子'=＆GT; subkeyval
    ）
    KEY3'=＆GT; 值3，
    KEY4'=＆GT;阵列（
        subkey4'=＆GT;阵列（
            subsubkey4'=＆GT; subsubkeyval4'，
            subsubkey5'=＆GT; subsubkeyval5'，
        ）
        subkey5'=＆GT; subkeyval5
    ）
）;
 

和把它变成这个（可能通过一些递归函数）：

  $ newArray =阵列（
    '键1'=＆GT; VALUE1，
    key2.subkey'=＆GT; subkeyval'，
    KEY3'=＆GT; 值3，
    key4.subkey4.subsubkey4'=＆GT; subsubkeyval4'，
    key4.subkey5.subsubkey5'=＆GT; subsubkeyval5'，
    key4.subkey5'=＆GT; subkeyval5
）;
 

解决方案

德codeZ

  $ ritit =新RecursiveIteratorIterator（新RecursiveArrayIterator（$ myArray的））;
$结果=阵列（）;
的foreach（$ ritit为$ leafValue）{
    $键=阵列（）;
    的foreach（范围（0，$ ritit-＆GT; getDepth（）），为$深度）{
        $键[] = $ ritit-＆GT; getSubIterator（$深度） -  GT;键（）;
    }
    $结果[加入（，$钥匙'。'）] = $ leafValue;
}
 

输出

 阵列
（
    [键1] =＆GT;值1
    [key2.subkey] =＆GT; subkeyval
    [KEY3] =＆GT; VALUE3
    [key4.subkey4.subsubkey4] =＆GT; subsubkeyval4
    [key4.subkey4.subsubkey5] =＆GT; subsubkeyval5
    [key4.subkey5] =＆GT; subkeyval5
）
 

演示： HTTP：//$c$cpad.org/YiygqxTM

我需要去，但如果需要，明天的说明，问我。

There are plenty of tips and code examples out there of accessing PHP arrays with dot notation, but I would like to do somewhat the opposite. I would like to take a multidimensional array like this:

$myArray = array(
    'key1' => 'value1',
    'key2' => array(
        'subkey' => 'subkeyval'
    ),
    'key3' => 'value3',
    'key4' => array(
        'subkey4' => array(
            'subsubkey4' => 'subsubkeyval4',
            'subsubkey5' => 'subsubkeyval5',
        ),
        'subkey5' => 'subkeyval5'
    )
);

And turn it into this (likely through some recursive function):

$newArray = array(
    'key1'                    => 'value1',
    'key2.subkey'             => 'subkeyval',
    'key3'                    => 'value3',
    'key4.subkey4.subsubkey4' => 'subsubkeyval4',
    'key4.subkey5.subsubkey5' => 'subsubkeyval5',
    'key4.subkey5'            => 'subkeyval5'
);

解决方案

teh codez

$ritit = new RecursiveIteratorIterator(new RecursiveArrayIterator($myArray));
$result = array();
foreach ($ritit as $leafValue) {
    $keys = array();
    foreach (range(0, $ritit->getDepth()) as $depth) {
        $keys[] = $ritit->getSubIterator($depth)->key();
    }
    $result[ join('.', $keys) ] = $leafValue;
}

output

Array
(
    [key1] => value1
    [key2.subkey] => subkeyval
    [key3] => value3
    [key4.subkey4.subsubkey4] => subsubkeyval4
    [key4.subkey4.subsubkey5] => subsubkeyval5
    [key4.subkey5] => subkeyval5
)

demo: http://codepad.org/YiygqxTM

I need to go, but if you need an explanation of that tomorrow, ask me.

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