think\Console::extractAllNamespaces PHP Method

    private function extractAllNamespaces($name)
    {
        $parts = explode(':', $name, -1);
        $namespaces = [];
        foreach ($parts as $part) {
            if (count($namespaces)) {
                $namespaces[] = end($namespaces) . ':' . $part;
            } else {
                $namespaces[] = $part;
            }
        }
        return $namespaces;
    }