Operation Operator Class Example ----------------------------------------------------------------------------------------- Preincrement: Increment operand by one before the variable is used. ++ Prefix ++$a
Postincrement: Increment operand by one after the variable is used. ++ Postfix $a++
Predecrement: Decrement operator by one before the variable is used. -- Prefix --$a
Postdecrement: Decrement operand by one after the variable is used. -- Postfix $a--
