How do you check if a variable has not been set in php?


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More PHP Interview Questions

What does isset() function?

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How I can control asset documents without GR/IR?

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Can you define an argument as a reference type?

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What websites use php?

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What are the Formatting and Printing Strings available in PHP?

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Do you know how can php and html interact?

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Is overloading possible in php?

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hi to all i am fresher in php and want to learn php and want a fresher job in php. how to total time i expend to learn php and what is freshers salary.

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How do you connet mysql database with php?

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Which php framework is best for web development?

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Explain me what is the difference between explode() and split() functions?

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What is php sequence?

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