A

Admin • 833K Points
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Q. What does isset() function do?

  • (A) Checks if a variable is empty
  • (B) Checks if a variable is set and not null
  • (C) Checks the data type
  • (D) Deletes a variable
  • Correct Answer - Option(B)
  • Views: 27
  • Filed under category PHP
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Explanation by: Admin

isset() checks whether a variable is set and is not NULL.

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