does this code even work?

Unlock Everything
At the title screen press and hold L1 and R1 then put in the following codes

Cheat Effect
X, triangle, right, circle, square, down, triangle, square, left, circle, X, up Unlocked Arenas
X, square, circle, left, X, sqaure, circle, down Hall of Fame Tasks Completed
X, down, right, left, square Unlimited Cash

its on 2 different web sites, i tryed it a few times, not sure if am doing it right, and it still doest work . anyone care to try it and see if it actualy does work. thanks



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