📊 PHP
Q. Which PHP function sends a JSON response header?
  • (A) json_header()
  • (B) header('application/json')
  • (C) header('Content-Type: application/json')
  • (D) send_json()
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✅ Correct Answer: (C) header('Content-Type: application/json')

Explanation: This sets the response content type to JSON.

Explanation by: Admin
This sets the response content type to JSON.

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