A

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Q. What is the purpose of the PHP function isset()?

  • (A) Checks if a variable is set and not null
  • (B) Checks if a variable is empty
  • (C) Sets a variable
  • (D) Deletes a variable
  • Correct Answer - Option(A)
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  • Filed under category PHP
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Explanation by: Admin

isset() returns true if the variable exists and is not null.

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