Q. Which PHP function checks if a namespace exists?

  • (A) namespace_exists()
  • (B) class_exists()
  • (C) interface_exists()
  • (D) trait_exists()
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✅ Correct Answer: (B) class_exists()
Explanation: Namespaces don't exist independently; class_exists() is used.

Published by Mr. Dubey ⭐ 111.42K Points at 18-Dec-2025 08:16 pm in PHP

Explanation by: Mr. Dubey
Namespaces don't exist independently; class_exists() is used.

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