An appeals court has split over a state law that bans using a cellphone while driving.A majority of the 5th District Appellate Court has upheld a man’s conviction for allegedly taking photos or video from behind the wheel, ruling the state Vehicle Code prohibits more than just talking on a cellphone while operating a car.But a dissenting justice argued the state only proved, at most, that the defendant was holding the phone while driving, noting the police officer in the case admitted he never found out if the phone …