Php/docs/mysqlnduhconnection.selectdb
MysqlndUhConnection::selectDb
(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::selectDb — Selects the default database for database queries
Description
public MysqlndUhConnection::selectDb
( mysqlnd_connection $connection
, string $database
) : bool
Selects the default database for database queries.
Parameters
connection- Mysqlnd connection handle. Do not modify!
database- The database name.
Return Values
Returns TRUE on success.
Otherwise, returns FALSE
Examples
Example #1 MysqlndUhConnection::selectDb() example
<?phpclass proxy extends MysqlndUhConnection { public function selectDb($res, $database) { printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true)); $ret = parent::selectDb($res, $database); printf("%s returns %s\n", __METHOD__, var_export($ret, true)); return $ret; }}mysqlnd_uh_set_connection_proxy(new proxy());$mysqli = new mysqli("localhost", "root", "", "test");$mysqli->select_db("mysql");?>
The above example will output:
proxy::selectDb(array ( 0 => NULL, 1 => 'mysql', )) proxy::selectDb returns true
See Also
- mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
- mysqli_select_db() - Selects the default database for database queries
- mysql_select_db() - Select a MySQL database
