respect-validation/docs/rules/In.md
Henrique Moody 10df3211f5
Add "Categorization" section to rule documentations
Signed-off-by: Henrique Moody <henriquemoody@gmail.com>
2019-05-11 19:16:21 +02:00

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# In
- `In(mixed $haystack)`
- `In(mixed $haystack, bool $identical)`
Validates if the input is contained in a specific haystack.
For strings:
```php
v::in('lorem ipsum')->validate('ipsum'); // true
```
For arrays:
```php
v::in(['lorem', 'ipsum'])->validate('lorem'); // true
```
A second parameter may be passed for identical comparison instead
of equal comparison.
Message template for this validator includes `{{haystack}}`.
## Categorization
- Arrays
- Comparisons
- Strings
## Changelog
Version | Description
--------|-------------
0.3.9 | Created
***
See also:
- [Contains](Contains.md)
- [ContainsAny](ContainsAny.md)
- [EndsWith](EndsWith.md)
- [Roman](Roman.md)
- [StartsWith](StartsWith.md)