ISBN PHP library

This library is develop to give all ISBN (both ISBN-10 and ISBN-13) related tools needed by PHP developers.

Check

This function allows you to verify id an ISBN code is an ISBN-10 or ISBN-13. Examples:

Isbn\Check::is10('888183718'); // Will return false
Isbn\Check::is13('9788889527191'); // Will return true
Isbn\Check::is13('978888952719'); // Will return false
Isbn\Check::identify('8881837188'); // Will return 10
Isbn\Check::identify('888183718'); // Will return false
Isbn\Check::identify('9788889527191'); // Will return 13
Isbn\Check::identify('978888952719'); // Will return false

Validation

This class allows you to validate ISBN-10 and ISBN-13. Examples:

Isbn\Validation::isbn('8881837188'); // Will return true
Isbn\Validation::isbn('8881837187'); // Will return false
Isbn\Validation::isbn('9788889527191'); // Will return true
Isbn\Validation::isbn('9788889527190'); // Will return false
Isbn\Validation::isbn10('8881837188'); // Will return true
Isbn\Validation::isbn10('8881837187'); // Will return false
Isbn\Validation::isbn13('9788889527191'); // Will return true
Isbn\Validation::isbn13('9788889527190'); // Will return false

Hyphens

This class provides simple functions to work with hyphens.

Add Hyphens

This function allows you to put correct hyphens in ISBN-10 and ISBN-13. Examples:

$hyphens = new Isbn\Hyphens('9791090636071');
echo $hyphens->addHyphens(); // Will return 979-10-90636-07-1

$hyphens = new Isbn\Hyphens('9791090636071');
echo $hyphens->addHyphens(' '); // Will return 979 10 90636 07 1

Remove Hyphens

This function allows you to remove hyphens from the ISBN-10 and ISBN-13. Examples:

Isbn\Hyphens::removeHyphens('85 359 0277 5'); // Will return 8535902775
Isbn\Hyphens::removeHyphens('0-943396-04-2'); // Will return 0943396042
Isbn\Hyphens::removeHyphens('978 988 00 3827 3'); // Will return 9789880038273
Isbn\Hyphens::removeHyphens('979-10-90636-07-1'); // Will return 9791090636071

Fix Hyphens

This function allows you to fix hyphens in ISBN-10 and ISBN-13

Isbn\Hyphens::fixHyphens('85 35902 77 5', ' '); // Will return 85 359 0277 5
Isbn\Hyphens::fixHyphens('0 943 3960 42'); // Will return 0-943396-04-2
Isbn\Hyphens::fixHyphens('978 988 003827 3', ' '); // Will return 978 988 00 3827 3
Isbn\Hyphens::fixHyphens('979-10906-36-07-1'); // Will return 979-10-90636-07-1

CheckDigit

This class allows you to calculate the check digit for ISBN-10 and ISBN-13. Examples:

Isbn\CheckDigit::make('888183718'); // Will return 8
Isbn\CheckDigit::make('978888952719'); // Will return 1
Isbn\CheckDigit::make10('888183718'); // Will return 8
Isbn\CheckDigit::make13('978888952719'); // Will return 1

Translate

This class allows you to convert ISBN-10 to ISBN-13 and back. Examples:

Isbn\Translate::to13('8889527191'); // Will return 9788889527191
Isbn\Translate::to10('9786028328227'); // Will return 6028328227

linkkingjay/isbn