public final function addDays( int $days = 1 )
      : DateTime
   {

      return $this->move( new \DateInterval( 'P' . \abs( $days ) . 'D' ), $days < 0 );

   }
public final function addDays( int $days = 1 )
      : DateTime
   {

      return $this->move( new \DateInterval( 'P' . \abs( $days ) . 'D' ), $days < 0 );

   }
public final function addDays ( int $ days = 1 ) : DateTime { return $ this -> move ( new \ DateInterval ( 'P' . \ abs ( $ days ) . 'D' ) , $ days < 0 ) ; }
Adds the defined number of days.

@param  integer $days The days to add (use a negative value to subtract/remove the days)
@return \Beluga\Date\DateTime Returns the current changed instance.
Adds the defined number of days .