k

<?php

    $foldername = "testing";

    //example using
    delTree($foldername); //call delTree function

    //user defined function,recursively delete all file and folder in directory
    function delTree($dir) {
       $files = array_diff(scandir($dir), array('.','..'));
        foreach ($files as $file) {
          (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
        }
        return rmdir($dir);
      }
?>