Okla. Stat. tit. 57, § 57-6: Courts may sentence to hard labor

Any court, justice of the peace, police court or police

magistrate, in cases where such courts have jurisdiction under the

laws of this state, or as provided by the ordinances or charter of

any incorporated town or city in the state, shall have full power

and authority to sentence such convict to hard labor as provided in

this article.