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
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✅ Correct Answer: (A) Checks if a variable is set and not null
Explanation: isset() returns true if the variable exists and is not null.

Published by Rati Dubey ⭐ 9.05K Points at 09-Jun-2025 08:20 am in PHP

Explanation by: Rati Dubey
isset() returns true if the variable exists and is not null.

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