PHP Warning:  include(../config.php): failed to open stream: No such file or directory in /var/www/nclive/backend/sp_exam_api/create_json_file_for_exams.php on line 2
PHP Warning:  include(): Failed opening '../config.php' for inclusion (include_path='.:/usr/share/php') in /var/www/nclive/backend/sp_exam_api/create_json_file_for_exams.php on line 2
PHP Notice:  Undefined variable: db in /var/www/nclive/backend/sp_exam_api/create_json_file_for_exams.php on line 27
PHP Fatal error:  Uncaught Error: Call to a member function query() on null in /var/www/nclive/backend/sp_exam_api/create_json_file_for_exams.php:27
Stack trace:
#0 {main}
  thrown in /var/www/nclive/backend/sp_exam_api/create_json_file_for_exams.php on line 27

✅ JSON file generated successfully at: /var/www/nclive/backend/sp_exam_api/exam_data.json