在PHP中搜索多维数组并返回键

问题描述：

我面临以下问题:我建立了一个代表图标库"的网站.它基本上显示包含图标附加属性的 CSV 文件的内容，例如

I'm facing following issue: I've set up a website representing an "Icon Library". It basically shows the contents of a CSV file containing additional attributes for an icon, e.g.

文件名
工具提示
标签
状态(完成，进行中)
文件类型
- png
  - 在目录中找到的文件名
  - 在目录中找到的文件名
  - 在目录中找到的文件名
  最后所有东西都放在一个大数组中:
  
  In the end everything is put into a big array:
```
[390] => Array
    (
        [0] => hammer
        [1] => Properties
        [2] => tools, hammer, properties
        [3] => 
        [4] => done
        [png] => Array
            (
                [0] => hammer_16x.png
                [1] => hammer_32x.png
            )

        [eps] => Array
            (
                [0] => hammer_16x.eps
                [1] => hammer_32x.eps
            )

        [ico] => Array
            (
                [0] => hammer.ico
            )

    )
```
  现在我想提供在这个数组中搜索的可能性，并根据搜索结果过滤网站上显示的内容.因此，我想至少搜索以下字符串:
  
  Now I would like to provide the possibility to search in this array and filter the contents displayed on the website based on the search result. Therefore I would like to search at least for following strings:
```
 [0] => hammer
 [1] => Properties
 [2] => tools, hammer, properties
 [3] => 
 [4] => done
```
  任何提示我如何做到这一点?非常感谢！
  
  Any hints how I could do that? Thanks a lot!

答

您可以将 array_filter 与 array_diff_assoc 结合使用.有点像这样:

You may use array_filter in conjunction with array_diff_assoc. Somehow like this:

function filter($array, $filter_elem) {
    return array_filter($array, function ($v) use($filter_elem) {
        return count(array_diff_assoc($filter_elem, $v)) == 0;
    });
}

$array = array(
    '390' => array(
        '0' => 'hammer',
        '1' => 'Properties',
        '2' => 'tools, hammer, properties',
        '3' => false,
        '4' => 'done',
        'png' => array(
            '0' => 'hammer_16x.png',
            '1' => 'hammer_32x.png',
        ),
        'eps' => array(
            '0' => 'hammer_16x.eps',
            '1' => 'hammer_32x.eps',
        ),
        'ico' => array(
            '0' => 'hammer.ico',
        ),
    ),
    ...
);

$filter_elem = array(
    '1' => 'Properties',
    '2' => 'tools, hammer, properties',
    '3' => false,
    '4' => 'done',
);

print_r(filter($array, $filter_elem));

演示

在PHP中搜索多维数组并返回键

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