How do you check if a variable has been set in php?


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More PHP Interview Questions

Who developed php?

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Do I need apache for php?

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How many types of errors in php?

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Which function you can use in php to open a file for reading or writing or for both?

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How to apply Cake php ajax pagination?

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What is difference between single quotes and double quotes in php?

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Is age interval or ordinal data?

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What are Routines?

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Is php coding easy?

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Do you know how can php and html interact?

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What is the difference between $message and $$message ?

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What are the uses of explode() function?

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