What is the difference between $var and $$var?
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Dipali Barma
- Query: 8 / Answer: 10
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Purusottam Nayak
- Query: 22 / Answer: 20
They are both variables. But $var is a variable with a fixed name. $$var is a variable who's name is stored in $var. For example, if $var contains "message", $$var is the same as $message.
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