/**
* Return an instance of this class.
*
* @since 1.0.0
* @return erpProRelated A single instance of this class.
*/
public static function get_instance(&$options)
{
// If the single instance hasn't been set, set it now.
if (null == self::$instance) {
self::$instance = new self($options);
}
self::$instance->options = $options;
return self::$instance;
}
