1# Instance
2
3- `v::instance(string $instanceName)`
4
5Validates if the input is an instance of the given class or interface.
6
7```php
8v::instance('DateTime')->validate(new DateTime); // true
9v::instance('Traversable')->validate(new ArrayObject); // true
10```
11
12Message template for this validator includes `{{instanceName}}`.
13
14***
15See also:
16
17  * [ObjectType](ObjectType.md)
18