Instance
February 3, 2026 ยท View on GitHub
Instance(class-string $class)
Validates if the input is an instance of the given class or interface.
v::instance('DateTime')->assert(new DateTime);
// Validation passes successfully
v::instance('Traversable')->assert(new ArrayObject);
// Validation passes successfully
Message template for this validator includes {{instanceName}}.
Templates
Instance::TEMPLATE_STANDARD
| Mode | Template |
|---|---|
default | {{subject}} must be an instance of {{class|quote}} |
inverted | {{subject}} must not be an instance of {{class|quote}} |
Template placeholders
| Placeholder | Description |
|---|---|
class | |
subject | The validated input or the custom validator name (if specified). |
Categorization
- Objects
Changelog
| Version | Description |
|---|---|
| 0.3.9 | Created |