public function out($decimals = 2, $decPoint = '.', $thousandSep = ',')
    {
        return $this->format($decimals, $decPoint, $thousandSep) . ' ' . $this->unit;
    }
public function out($decimals = 2, $decPoint = '.', $thousandSep = ',')
    {
        return $this->format($decimals, $decPoint, $thousandSep) . ' ' . $this->unit;
    }
public function out ( $ decimals = 2 , $ decPoint = '.' , $ thousandSep = ',' ) { return $ this -> format ( $ decimals , $ decPoint , $ thousandSep ) . ' ' . $ this -> unit ; }
Converts this quantity into a string
@param int $decimals number of decimals (default to 2)
@param string $decPoint decimal symbol (defaults to '.')
@param string $thousandSep thousand separator (defaults to ',')
@return string this quantity as a string
Converts this quantity into a string