Q. Which design pattern is used by DB::get_connection()?

  • (A) Factory
  • (B) Singleton
  • (C) Observer
  • (D) Builder
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✅ Correct Answer: (B) Singleton
Explanation: It returns the same PDO instance (singleton).

Published by Roshan ⭐ 2.52K Points at 25-Apr-2026 03:34 pm in Trishul API

Explanation by: Roshan
It returns the same PDO instance (singleton).

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