In our daily work, we often encounter many classifications. We know that many open source software’s infinite classifications use recursive algorithms, but we know that recursion is a waste of time and space (memory). This article introduces PHP The infinite classification tree method obtains the lower-level directories of the specified directory. If no directory is specified, it starts from the root directory and finally traverses the output.
First download the PHP infinite classification tree method we need to use in this course: http://www.php.cn/xiazai/leiku/404
Find us after the download is complete Unzip the required php class files to our local directory and create a new php file!
After completion, we need to call this class in the new php file and instantiate the class:
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The running result is as shown below:
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