📊 PHP
Q. What will the expression isset($var) return if $var is set to null?
  • (A) false
  • (B) true
  • (C) null
  • (D) Error
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✅ Correct Answer: (A) false

Explanation: isset() returns false if the variable is null.

Explanation by: Rati Dubey
isset() returns false if the variable is null.

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