| No. | File | Line | Code |
| 1 | index.php | 126 | require(%s) |
| 2 | portal.php | 18 | discuz_application->init() |
| 3 | source/class/discuz/discuz_application.php | 65 | discuz_application->_init_db() |
| 4 | source/class/discuz/discuz_application.php | 399 | discuz_database::init(%s, Array) |
| 5 | source/class/discuz/discuz_database.php | 23 | db_driver_mysql->connect() |
| 6 | source/class/db/db_driver_mysql.php | 75 | db_driver_mysql->_dbconnect(%s, %s, %s, %s, %s, %s) |
| 7 | source/class/db/db_driver_mysql.php | 88 | db_driver_mysql->halt(%s, %d) |
| 8 | source/class/db/db_driver_mysql.php | 224 | break() |