public function getValue($range)
    {
        $range = $range == 'min' ? $range : 'max';

        if (is_null($this->{$range})) {
            $this->{$range} = $this->getFirst($range);
        }

        return $this->{$range};
    }
public function getValue($range)
    {
        $range = $range == 'min' ? $range : 'max';

        if (is_null($this->{$range})) {
            $this->{$range} = $this->getFirst($range);
        }

        return $this->{$range};
    }
public function getValue ( $ range ) { $ range = $ range == 'min' ? $ range : 'max' ; if ( is_null ( $ this -> { $ range } ) ) { $ this -> { $ range } = $ this -> getFirst ( $ range ) ; } return $ this -> { $ range } ; }
Gets the numeric min value.

@param $range

@return mix (int|string)
Gets the numeric min value .