再生产项目中碰到一个配置文件转换问题,读取配置文件,并自动生成出目录:云存储使用的。
$config = [
'uuid'=>'string',
'info'=>'string',
'main'=>[
'uuid'=>'string',
'cmd'=>'string',
'child'=>[
'uuid'=>'string',
'remark'=>'string',
'game'=>[
'user'=>'name',
'money'=>'1000'
]
],
'logs'=>[
'path'=>'/path/path',
'date'=>'2023-09-01'
]
],
'video'=>[
'uuid'=>'vid',
'info'=>'info',
'file'=>[
'size'=>'12900'
]
]
];
以上是配置文件的一部分:现在需要根据配置生成目录,`只考虑键值为数组的情况`键值字符串是文件的属性。
$list = [
'main',
'main/child',
'main/child/game',
'main/logs',
'video',
'video/file',
...
];
我考虑`扁平化`,`new RecursiveIteratorIterator(new RecursiveArrayIterator($sqlite));`
`foreach 递归` 都没弄成功。请求高手给解!
好久没写 PHP 了,有点儿生疏,看看大概意思就行了:
function flatten($nodes, $prefix = '') {
$list = [];
foreach ($nodes as $key => $value) {
if (is_array($value)) {
$path = $prefix . $key;
$list[] = $path;
$list = array_merge($list, flatten($value, $path . '/'));
}
}
return $list;
}
flatten($config);
"image.png" (https://wmprod.oss-cn-shanghai.aliyuncs.com/images/20250113/e9d2b9e326b3eb529334e444a5c4d0da.png)
***
用 RecursiveIteratorIterator 也行,但需要指定第二个参数
"RecursiveIteratorIterator::SELF_FIRST":
$list = [];
$iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($config), RecursiveIteratorIterator::SELF_FIRST
);
foreach ($iterator as $key => $value) {
if (is_array($value)) {
$path = '';
foreach (range(0, $iterator->getDepth()) as $depth) {
$path .= $iterator->getSubIterator($depth)->key() . '/';
}
$list[] = rtrim($path, '/');
}
}
"image.png" (https://wmprod.oss-cn-shanghai.aliyuncs.com/images/20250113/2c20a879703319248cf72587bebc52bc.png)