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Operation Operator Class Example
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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--
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