PHP ISBN::_checkdigitISBN13 Examples

Example #1

File: ISBN.php Project: poef/ariadne

 /**
  * Get the Checkdigit Part of ISBN Number
  *
  * @return string|false Checkdigit or false if failed
  */
 function getCheckdigit()
 {
     $ver = $this->getVersion();
     $check = false;
     switch ($ver) {
         case ISBN_VERSION_ISBN_10:
             $check = ISBN::_checkdigitISBN10($this->_getISBNBody());
             break;
         case ISBN_VERSION_ISBN_13:
             $check = ISBN::_checkdigitISBN13($this->_getISBNBody());
             break;
     }
     return $check;
 }