public function getTotalDays()
	{
		// Get a count of days.  The 'diff' function generates an interval with a count of days in ->days
		$dt = new \DateTimeImmutable();
		return $dt->add( $this->Value )->diff( $dt )->days;
	}
public function getTotalDays()
	{
		// Get a count of days.  The 'diff' function generates an interval with a count of days in ->days
		$dt = new \DateTimeImmutable();
		return $dt->add( $this->Value )->diff( $dt )->days;
	}
public function getTotalDays ( ) { // Get a count of days.  The 'diff' function generates an interval with a count of days in ->days
 $ dt = new \ DateTimeImmutable ( ) ; return $ dt -> add ( $ this -> Value ) -> diff ( $ dt ) -> days ; }
Return the total days of the duration
@return int
Return the total days of the duration