The Republican Party of Pennsylvania submitted a delegate allocation plan to the RNC in October 2015. The Pennsylvania voters who participated in the local, district, and state caucuses proposed, voted on, and approved the state party's platform and committees. Likewise, the state government, elected by the people, decided not to bind its delegates by law.
I heard 2 on talk radio last week - one is Cruz, no matter what. The second prefers Trump, but said that if the voters chose someone else he would respect their votes and vote as they did.