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

  • (A) is_number()
  • (B) is_numeric()
  • (C) is_int()
  • (D) ctype_digit()
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✅ Correct Answer: (B) is_numeric()
Explanation: is_numeric() checks for numeric strings or numbers.

Published by Kanak Sharma ⭐ 6.13K Points at 19-Dec-2025 06:44 pm in PHP

Explanation by: Kanak Sharma
is_numeric() checks for numeric strings or numbers.

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