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 an ISBN
v::isbn()->assert('978 10 596 52068 7');
// → "978 10 596 52068 7" must be an ISBN| Mode | Template |
|---|---|
default |
{{subject}} must be an ISBN |
inverted |
{{subject}} must not be an ISBN |
| Placeholder | Description |
|---|---|
subject |
The validated input or the custom validator name (if specified). |
- Identifications
| Version | Description |
|---|---|
| 3.0.0 | Templates changed |
| 2.0.0 | Created |