/**
* @return EED_Single_Page_Checkout
*/
public static function instance()
{
add_filter('EED_Single_Page_Checkout__SPCO_active', '__return_true');
return parent::get_instance(__CLASS__);
}
/**
* @return EED_Events_Archive
*/
public static function instance()
{
return parent::get_instance(__CLASS__);
}
/**
* @return EED_Core_Rest_Api
*/
public static function instance()
{
self::$_field_calculator = new Calculated_Model_Fields();
return parent::get_instance(__CLASS__);
}