📊 PHP
Q. Which PHP function converts a string to uppercase?
  • (A) upper()
  • (B) strtoupper()
  • (C) toUpper()
  • (D) string_upper()
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✅ Correct Answer: (B) strtoupper()

Explanation: strtoupper() converts a string to uppercase.

Explanation by: Yami Thakur
strtoupper() converts a string to uppercase.

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