The two islamic countries just above mentioned, which are respectively a theocratic monarchy and an islamic republic, often give conflicting interpretations of the Sharia law. For istance, there are differences with regard to dispute settlements, legal matters, punishment, and marital disputes. In this context, Taliban leaders are going to establish Sharia regime in Afghanistan.
On the contrary, everything including religion must evolve with time. That's the reason why religion law may not have a place in modern societies governed by constitutional systems.