public static function calculateYearsAgo(DateDiffRequest $request)
    {
        return new DateDiffResult($request, self::YEARS_AGO, $request->getInterval()->y);
    }
public static function calculateYearsAgo(DateDiffRequest $request)
    {
        return new DateDiffResult($request, self::YEARS_AGO, $request->getInterval()->y);
    }
public static function calculateYearsAgo ( DateDiffRequest $ request ) { return new DateDiffResult ( $ request , self :: YEARS_AGO , $ request -> getInterval ( ) -> y ) ; }
Returns "years ago" result with absolute diff in calendar years

@param DateDiffRequest $request
@return DateDiffResult
Returns years ago result with absolute diff in calendar years