PrivateBin/tst/bootstrap.php

<?php
error_reporting( E_ALL | E_STRICT );

// change this, if your php files and data is outside of your webservers document root
if (!defined('PATH')) define('PATH', '..' . DIRECTORY_SEPARATOR);

require PATH . 'lib/auto.php';

class helper
{
    public static function rmdir($path)
    {
        $path .= DIRECTORY_SEPARATOR;
        $dir = dir($path);
        while(false !== ($file = $dir->read())) {
            if($file != '.' && $file != '..') {
                if(is_dir($path . $file)) {
                    self::rmdir($path . $file);
                } elseif(is_file($path . $file)) {
                    if(!@unlink($path . $file)) {
                        throw new Exception('Error deleting file "' . $path . $file . '".');
                    }
                }
            }
        }
        $dir->close();
        if(!@rmdir($path)) {
            throw new Exception('Error deleting directory "' . $path . '".');
        }
    }
}