PHP methods for deleting all directories and files in a specified directory _php tutorial

How PHP deletes all directories and files in the specified directory

This article mainly introduces the method that PHP deletes all directories and files in the specified directory, and realizes the function of recursive deletion through the custom function Delfile, which has a certain reference value, the friends who need can refer to the following

This example describes how PHP deletes all directories and files in the specified directory. Share to everyone for your reference. The implementation method is as follows:

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/* * * Delete all directories and files in the specified directory (or specify files) * Expandable Add some options (such as whether to delete the original directory, etc.) * Use caution when deleting file sensitive operations * @param $dir directory path * @param array $file _type specified file type */ function Delfile ($dir, $file _type= ") { if (Is_dir ($dir)) { $files = Scandir ($dir); Open the directory//list all files in the directory and remove them. And.. foreach ($files as $filename) { if ($filename! = '. ' && $filename! = ' ... ') { if (!is_dir ($dir. '/'. $filename)) { if (Empty ($file _type)) { Unlink ($dir. '/'. $filename); }else{ if (Is_array ($file _type)) { Regular matches the specified file if (Preg_match ($file _type[0], $filename)) { Unlink ($dir. '/'. $filename); } }else{ Specify a file that contains some strings if (False!=stristr ($filename, $file _type)) { Unlink ($dir. '/'. $filename); } } } }else{ Delfile ($dir. '/'. $filename); RmDir ($dir. '/'. $filename); } } } }else{ if (file_exists ($dir)) unlink ($dir); } } Delfile (DirName (__file__), ' HTML ');

I hope this article is helpful to everyone's PHP programming.

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