DoctorTestCase::removeDir PHP Method

    function removeDir($dir)
    {
        if (file_exists($dir)) {
            foreach (new DirectoryIterator($dir) as $file) {
                if ($file->isDir()) {
                    if (!$file->isDot()) {
                        $this->removeDir($file->getPathname());
                    }
                } else {
                    @unlink($file->getPathname());
                }
            }
            @rmdir($dir);
        }
    }