(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::selectDb — Selects the default database for database queries
$connection
   , string $database
   )Selects the default database for database queries.
connectionMysqlnd connection handle. Do not modify!
databaseThe database name.
   Returns TRUE on success.
   Otherwise, returns FALSE
  
Example #1 MysqlndUhConnection::selectDb() example
<?php
class 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