| File | Line | Function |
| source\class\class_core.php | 588 | db_mysql->halt() |
| source\class\class_core.php | 580 | db_mysql->_dbconnect() |
| source\class\class_core.php | 287 | db_mysql->connect() |
| source\class\class_core.php | 64 | discuz_core->_init_db() |
| forum.php | 48 | discuz_core->init() |