/**
* Checks if the thinkup_server value has been set and if it has, creates a new database connection to that server
* based on the values supplied on the options page of the plugin.
*
* This is useful for maintaining the ability to have your WordPress and ThinkUp install on different servers.
*
* @global wpdb $wpdb
* @return wpdb
*/
public static function getDatabaseConnection()
{
if (is_null(self::$db_connection)) {
$options_array = self::getOptionsArray();
if ($options_array['thinkup_server']['value'] != '') {
self::$db_connection = new wpdb($options_array['thinkup_dbusername']['value'], $options_array['thinkup_dbpw']['value'], $options_array['thinkup_db']['value'], $options_array['thinkup_server']['value']);
} else {
global $wpdb;
self::$db_connection = $wpdb;
}
}
return self::$db_connection;
}
