private function getRegistrationGroupElement()
    {
        if (isset($this->isbnSplit[0]) === false or $this->isbnSplit[0] === '978') {
            $this->range("0000000", "5999999", 1, 1);
            $this->range("6000000", "6499999", 3, 1);
            $this->range("6500000", "6999999", 0, 1);
            $this->range("7000000", "7999999", 1, 1);
            $this->range("8000000", "9499999", 2, 1);
            $this->range("9500000", "9899999", 3, 1);
            $this->range("9900000", "9989999", 4, 1);
            $this->range("9990000", "9999999", 5, 1);
        }

        if (isset($this->isbnSplit[0]) === true and $this->isbnSplit[0] === '979') {
            $this->range("0000000", "0999999", 0, 1);
            $this->range("1000000", "1199999", 2, 1);
            $this->range("1200000", "9999999", 0, 1);
        }

        return (isset($this->isbnSplit[1]));
    }
private function getRegistrationGroupElement()
    {
        if (isset($this->isbnSplit[0]) === false or $this->isbnSplit[0] === '978') {
            $this->range("0000000", "5999999", 1, 1);
            $this->range("6000000", "6499999", 3, 1);
            $this->range("6500000", "6999999", 0, 1);
            $this->range("7000000", "7999999", 1, 1);
            $this->range("8000000", "9499999", 2, 1);
            $this->range("9500000", "9899999", 3, 1);
            $this->range("9900000", "9989999", 4, 1);
            $this->range("9990000", "9999999", 5, 1);
        }

        if (isset($this->isbnSplit[0]) === true and $this->isbnSplit[0] === '979') {
            $this->range("0000000", "0999999", 0, 1);
            $this->range("1000000", "1199999", 2, 1);
            $this->range("1200000", "9999999", 0, 1);
        }

        return (isset($this->isbnSplit[1]));
    }
private function getRegistrationGroupElement ( ) { if ( isset ( $ this -> isbnSplit [ 0 ] ) === false or $ this -> isbnSplit [ 0 ] === '978' ) { $ this -> range ( "0000000" , "5999999" , 1 , 1 ) ; $ this -> range ( "6000000" , "6499999" , 3 , 1 ) ; $ this -> range ( "6500000" , "6999999" , 0 , 1 ) ; $ this -> range ( "7000000" , "7999999" , 1 , 1 ) ; $ this -> range ( "8000000" , "9499999" , 2 , 1 ) ; $ this -> range ( "9500000" , "9899999" , 3 , 1 ) ; $ this -> range ( "9900000" , "9989999" , 4 , 1 ) ; $ this -> range ( "9990000" , "9999999" , 5 , 1 ) ; } if ( isset ( $ this -> isbnSplit [ 0 ] ) === true and $ this -> isbnSplit [ 0 ] === '979' ) { $ this -> range ( "0000000" , "0999999" , 0 , 1 ) ; $ this -> range ( "1000000" , "1199999" , 2 , 1 ) ; $ this -> range ( "1200000" , "9999999" , 0 , 1 ) ; } return ( isset ( $ this -> isbnSplit [ 1 ] ) ) ; }
Get Registration Group Element

@return boolean
Get Registration Group Element