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respect-validation/docs/rules/Isbn.md
Henrique Moody 48405271c5
 Replace placeholder "name" with "subject" 
The `{{name}}` placeholder could represent different things depending on
the state of the Result, and referring to it as `{{name}}` seems
arbitrary. This commit changes it to `{{subject}}`, which is much more
generic and it describes well what that placeholder can mean.
2025-12-26 21:30:01 +01:00

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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

See also: