Q. Which PHP function checks if a variable is set and not NULL?

  • (A) is_set()
  • (B) isset()
  • (C) check()
  • (D) notnull()
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✅ Correct Answer: (B) isset()
Explanation: isset() checks if a variable is set and not NULL.

Published by Admin ⭐ 38.37K Points at 18-Dec-2025 07:06 am in PHP

Explanation by: Admin
isset() checks if a variable is set and not NULL.

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