Q. What will be the output?

Code: 
$x = NULL;
echo is_null($x);
  • (A) 1
  • (B) 0
  • (C) NULL
  • (D) Error
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✅ Correct Answer: (A) 1
Explanation: is_null() returns true (1).

Published by Roshan ⭐ 3.43K Points at 21-Apr-2026 05:50 am in PHP

Explanation by: Roshan
is_null() returns true (1).

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