原文由双瞳翻译。(这里是简要，详情请看全文)
发布时间：08-02-18
原文：
Antoine Ughetto has posted an easy way to find a file inside any series of subdirectories with PHP:
I've made a previous post on SPL using RecursiveIterator to parse Array. Today we will use this same RecursiveIterator with a DirectoryRecursiveIterator.
The code is pretty simple and straight forward - a DirectorySearch class that takes in the directory name and recurses through the files and subdirectories to locate the file you're looking for.
译文：
Antoine Ughetto有个简便的方法，用PHP 来查找一堆子文件夹中的文件。
我先前在 SPL 上发过一篇关于用 RecursiveIterator 追踪数组的文章。现在我们将再次使用RecursiveIterator连同DirectoryRecursiveIterator。
代码相当简单明了－一个DirectorySearch类提取文件目录名称并递归所有文件和子目录， 定位查找文件。
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