Q. What will be the output?

Code: 
echo gettype(NULL);
  • (A) NULL
  • (B) null
  • (C) string
  • (D) Error
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✅ Correct Answer: (B) null
Explanation: gettype returns 'NULL' lowercase internally shown as 'NULL' or 'NULL string', expected 'NULL'/'null'.

Published by Roshan ⭐ 2.52K Points at 21-Apr-2026 06:05 am in PHP

Explanation by: Roshan
gettype returns 'NULL' lowercase internally shown as 'NULL' or 'NULL string', expected 'NULL'/'null'.

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