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Isbn.md

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Isbn

  • Isbn()

Validates whether the input is a valid ISBN or not.

v::isbn()->assert('ISBN-13: 978-0-596-52068-7');
// Validation passes successfully

v::isbn()->assert('978 0 596 52068 7');
// Validation passes successfully

v::isbn()->assert('ISBN-12: 978-0-596-52068-7');
// → "ISBN-12: 978-0-596-52068-7" must be a valid ISBN

v::isbn()->assert('978 10 596 52068 7');
// → "978 10 596 52068 7" must be a valid ISBN

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

See Also