Q. Which PHP function checks whether a variable is callable?

  • (A) callable()
  • (B) is_callable()
  • (C) function_callable()
  • (D) check_callable()
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✅ Correct Answer: (B) is_callable()
Explanation: is_callable() checks if a variable can be called as a function.

Published by Mr. Dubey ⭐ 111.54K Points at 18-Dec-2025 08:10 pm in PHP

Explanation by: Mr. Dubey
is_callable() checks if a variable can be called as a function.

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