respect-validation/docs/rules/Unique.md
2018-08-23 02:12:44 +02:00

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# Unique
- `Unique()`
Validates whether the input array contains only unique values.
```php
v::unique()->validate([]); // true
v::unique()->validate([1, 2, 3]); // true
v::unique()->validate([1, 2, 2, 3]); // false
v::unique()->validate([1, 2, 3, 1]); // false
```
***
See also:
- [ArrayType](ArrayType.md)
- [ArrayVal](ArrayVal.md)
- [Contains](Contains.md)
- [Each](Each.md)