respect-validation/docs/validators/Isbn.md

Isbn

• v::isbn()

Validates whether the input is a valid ISBN or not.

v::isbn()->isValid('ISBN-13: 978-0-596-52068-7'); // true
v::isbn()->isValid('978 0 596 52068 7'); // true
v::isbn()->isValid('ISBN-12: 978-0-596-52068-7'); // false
v::isbn()->isValid('978 10 596 52068 7'); // false

Templates

Isbn::TEMPLATE_STANDARD

Mode	Template
default	{{subject}} must be a valid ISBN
inverted	{{subject}} must not be a valid ISBN

Template placeholders

Placeholder	Description
subject	The validated input or the custom validator name (if specified).

Categorization

• Identifications

Changelog

Version	Description
2.0.0	Created

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See also:

• Imei
• Luhn