[英]RecursiveIterator with directories in PHP
I want to list directories and files in directories like: 我想列出目录中的目录和文件,如:
Array(
[0] => 2014
[1] => images
[2] => videos
)
All of the directories in this array are in the "web_public" directory of my website. 此数组中的所有目录都位于我的网站的“web_public”目录中。 But there are some other directories within it which I don't want to read. 但是其中还有一些我不想阅读的目录。 The complete web_public is: 完整的web_public是:
2014
images
videos
css
js
... and so on
Here is what I'm doing but doesn't work: 这是我正在做的但不起作用:
$objects = array();
foreach($dirs_to_read as $dir) {
$dir = 'web_public/'.$dir;
$objects = array_merge($objects, new RecursiveDirectoryIterator($dir));
}
$objects = new RecursiveIteratorIterator($objects);
From PHP 5 you can use RecursiveDirectoryIterator
to get file array. 从PHP 5开始,您可以使用RecursiveDirectoryIterator
来获取文件数组。 For example: 例如:
$path = __DIR__;
$directory = new \RecursiveDirectoryIterator(
$path,
RecursiveDirectoryIterator::SKIP_DOTS
| RecursiveDirectoryIterator::CURRENT_AS_PATHNAME
| RecursiveDirectoryIterator::KEY_AS_FILENAME
);
$iterator = new \RecursiveIteratorIterator($directory);
$array = iterator_to_array($iterator);
print_r($array);
Outputs something like: 输出类似于:
Array
(
[demo.php] => /path/tp/demo.php
)
This calls for use of the AppendIterator
. 这需要使用AppendIterator
。 Example usage: 用法示例:
$ai = new AppendIterator;
foreach( $dirs_to_read as $dir )
{
// append RecursiveDirectoryIterator (wrapped in RecursiveIteratorIterator)
// you need RecursiveIteratorIterator as well,
// to iterate all depths of the RecursiveDirectoryIterator, in one go
$ai->append( new RecursiveIteratorIterator(
new RecursiveDirectoryIterator( 'web_public/' . $dir ),
RecursiveIteratorIterator::SELF_FIRST
) );
}
// iterate the AppendIterator
foreach( $ai as $file )
{
/* do something with the file (which is an SplFileInfo instance) */
}
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