Pause the game to make the codes work.

Level Skip:
Hold R1 + L1 + R2 + L2 & press Triangle, Triangle, Square, Circle, Circle, Circle.

Increase Physical Ability:
Hold L1 + R1 & press X, Circle, Triangle, Square, X, Circle.

Increase Magic Ability:
Hold L1 + R1 & press Triangle, Circle, X, Square, Triangle, Circle.