protected function resetOrderIds(){
        foreach($this->options as $op=>$junk){
                if(preg_match("#AmazonOrderId.Id.#",$op)){
                    unset($this->options[$op]);
                }
            }
    }
protected function resetOrderIds(){
        foreach($this->options as $op=>$junk){
                if(preg_match("#AmazonOrderId.Id.#",$op)){
                    unset($this->options[$op]);
                }
            }
    }
protected function resetOrderIds ( ) { foreach ( $ this -> options as $ op => $ junk ) { if ( preg_match ( "#AmazonOrderId.Id.#" , $ op ) ) { unset ( $ this -> options [ $ op ] ) ; } } }
Resets the order ID options.

Since order ID is a required parameter, these options should not be removed
without replacing them, so this method is not public.
Resets the order ID options .