The 35-year-old’s current contract is set to expire in the summer.
“If I am asked I will give my honest opinion about that,” said Hiddink. “If I say what I’m saying now, spontaneously out of my heart, then you can imagine what I think.
“His commitment is huge for this team and for the club, not just with his equalising goal, but with his attitude and the actions he did defensively and offensively.”
