protected function resetPackageDimensions(){
        foreach($this->options as $op=>$junk){
            if(preg_match("#ShipmentRequestDetails.PackageDimensions#",$op)){
                unset($this->options[$op]);
            }
        }
    }
protected function resetPackageDimensions(){
        foreach($this->options as $op=>$junk){
            if(preg_match("#ShipmentRequestDetails.PackageDimensions#",$op)){
                unset($this->options[$op]);
            }
        }
    }
protected function resetPackageDimensions ( ) { foreach ( $ this -> options as $ op => $ junk ) { if ( preg_match ( "#ShipmentRequestDetails.PackageDimensions#" , $ op ) ) { unset ( $ this -> options [ $ op ] ) ; } } }
Resets the package dimension options.

Since dimensions are a required parameter, these options should not be removed
without replacing them, so this method is not public.
Resets the package dimension options .