How does php calculate the entire directory size

This article mainly introduces php how to calculate the size of the entire directory, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

The specific implementation methods are as follows:

/ * * Calculate the full size of a directory * * @ author Jonas John * @ version 0.2 * @ param string $DirectoryPath Directory path * / function CalcDirectorySize ($DirectoryPath) {/ / I reccomend using a normalize_path function here / / to make sure $DirectoryPath contains an ending slash / / To display a good looking size you can use a readable_filesize / / function. $Size = 0; $Dir = opendir ($DirectoryPath); if (! $Dir) return-1; while (($File = readdir ($Dir))! = = false) {/ / Skip file pointers if ($File [0] = ='.') Continue; / / Go recursive down, or add the file size if (is_dir ($DirectoryPath. $File) $Size + = CalcDirectorySize ($DirectoryPath. $File. DIRECTORY_SEPARATOR); else $Size + = filesize ($DirectoryPath. $File);} closedir ($Dir); return $Size;} / / use example: $SizeInBytes = CalcDirectorySize ('data/'); Thank you for reading this article carefully. I hope the article "how to calculate the size of the entire directory" shared by the editor will be helpful to you. At the same time, I hope you will support us, pay attention to the industry information channel, and more related knowledge is waiting for you to learn!