# Space

- `Space()`
- `Space(string ...$additionalChars)`

Validates whether the input contains only whitespaces characters.

```php
v::space()->isValid('    '); // true
```

## Templates

### `Space::TEMPLATE_STANDARD`

| Mode       | Template                                       |
| ---------- | ---------------------------------------------- |
| `default`  | {{subject}} must contain only space characters |
| `inverted` | {{subject}} must not contain space characters  |

### `Space::TEMPLATE_EXTRA`

| Mode       | Template                                                               |
| ---------- | ---------------------------------------------------------------------- |
| `default`  | {{subject}} must contain only space characters and {{additionalChars}} |
| `inverted` | {{subject}} must not contain space characters or {{additionalChars}}   |

## Template placeholders

| Placeholder       | Description                                                      |
| ----------------- | ---------------------------------------------------------------- |
| `additionalChars` | Additional characters that are considered valid.                 |
| `subject`         | The validated input or the custom validator name (if specified). |

## Categorization

- Strings

## Changelog

| Version | Description |
| ------: | ----------- |
|   0.5.0 | Created     |

---

See also:

- [Control](Control.md)