public final function addSeconds( int $seconds = 1 )
      : DateTime
   {

      return $this->move( new \DateInterval( 'PT' . \abs( $seconds ) . 'S' ), $seconds < 0 );

   }
public final function addSeconds( int $seconds = 1 )
      : DateTime
   {

      return $this->move( new \DateInterval( 'PT' . \abs( $seconds ) . 'S' ), $seconds < 0 );

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

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