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What is the difference b/w isset and empty? 
The main difference b/w isset and empty are given below:
isset: This variable is used to handle functions and checked a variable is set even through it is empty.
empty: This variable is used to handle functions and checked either variable has a value or it is an empty string,zero0 or not set at all.
Posted By: Name:Rajesh Kr URL: What is the difference b/w isset and empty?