PHP如何读取子目录和循环文件? [英] PHP read sub-directories and loop through files how to?

问题描述

我需要在子目录中的所有文件中创建一个循环.你能帮我像这样构造我的代码吗:

I need to create a loop through all files in subdirectories. Can you please help me struct my code like this:

$main = "MainDirectory";
loop through sub-directories {
    loop through filels in each sub-directory {
        do something with each file
    }
};

推荐答案

使用 RecursiveDirectoryIterator 与 RecursiveIteratorIterator 结合使用.

Use RecursiveDirectoryIterator in conjunction with RecursiveIteratorIterator.

$di = new RecursiveDirectoryIterator('path/to/directory');
foreach (new RecursiveIteratorIterator($di) as $filename => $file) {
    echo $filename . ' - ' . $file->getSize() . ' bytes <br/>';
}

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