| ⇢ | A | Connection added | |
| ⇢ | A | Url added | |
| ⇢ | A | Query added | |
| A | ↛ | SEARCHLOG removed | |
| A | ↛ | MySQL removed | |
| A | ↛ | URL removed | |
| A | ↛ | MySQLQuery removed | 
| ⇢ | D | Url::generate() added | |
| ⇢ | C | Query::displayResult() added | |
| ⇢ | C | Query::query() added | |
| ⇢ | B | Url::__construct() added | |
| ⇢ | A | Connection::init() added | |
| ⇢ | A | Query::field() added | |
| ⇢ | A | Connection::query() added | |
| ⇢ | A | Query::row() added | |
| ⇢ | A | Connection::fatal_error() added | |
| ⇢ | A | Query::error() added | |
| ⋮ | view more | ||
| D | ↛ | URL::generate() removed | |
| C | ↛ | MySQLQuery::_display_result() removed | |
| C | ↛ | MySQLQuery::query() removed | |
| B | ↛ | URL::hidden_form_varsOLD() removed | |
| B | ↛ | SEARCHLOG::popular_recent() removed | |
| B | ↛ | URL::__construct() removed | |
| B | ↛ | SEARCHLOG::add() removed | |
| B | ↛ | SEARCHLOG::_db_row_to_array() removed | |
| A | ↛ | URL::update() removed | |
| A | ↛ | MySQLQuery::row() removed | |
| ⋮ | view more | ||