/**
* Get instance from the class.
*
* @static
* @return Helper
*/
public static function getInstance()
{
if (!self::$instance instanceof Helper) {
self::$instance = new self();
}
return self::$instance;
}
/**
* setter for databaseConnection object
*
* @param DatabaseConnection $databaseConnection
*
* @return void
*/
public static function setDatabaseConnection(DatabaseConnection $databaseConnection)
{
self::$databaseConnection = $databaseConnection;
}
