TestBase::removeDirectory PHP Method

    protected function removeDirectory($dirname)
    {
        if (!file_exists($dirname) || !is_dir($dirname)) {
            return;
        }
        $directory = new \RecursiveDirectoryIterator($dirname, RecursiveDirectoryIterator::SKIP_DOTS);
        /** @var \SplFileObject[] $iterator */
        $iterator = new \RecursiveIteratorIterator($directory, RecursiveIteratorIterator::CHILD_FIRST);
        foreach ($iterator as $file) {
            if ($file->isDir()) {
                rmdir($file->getRealPath());
            } else {
                unlink($file->getRealPath());
            }
        }
        rmdir($dirname);
    }