Foster, who is nearing the end of a season-long loan from Birmingham City, still has no idea where his future lies.
He said: "It's still the same as the last two or three months. I know a lot of people have started to ask the question.
"People expect me to have some inside info but I don't know what is happening.
"I don't think Birmingham will know what is happening. A lot will depend on what happens with them and the play-offs and I wish them all the best with those."