Help! I think i have glass in my foot from a night out?!?

before i start no nasty comment please…..

i was out last night and was dancing bare foot in a club (yes i no i should have had my shoes on!)
and woke up this morning and my foot really hurts and i think i have glass in it 🙁

its too painful to do anything and dont know if its just a cut or thers actuly glass in it?!