Is_String
Validation rule to ensure a value is a string.
Description #
Source #
Changelog #
| Version | Description |
|---|---|
| 4.21.1 | Introduced. |
Methods #
- __invoke — Validates that the value is a string.
- fromString — Creates a new instance of the validation rule from a string.
- id — Returns the unique identifier for the validation rule.
- serializeOption — Returns a serializable representation of the validation rule options.