respect-validation/docs/validators/Negative.md
Henrique Moody 7c681fec66
Fix SPDX headers in all files
I ran the `bin/console spdx --fix` with different strategies for
different files. For most of the core classes, since they've been
drastically rebuilt, I've run it with the `git-blame` strategy, for for
the `src/Validators`, in which the API changed completely but the logic
remains the same, I use the `git-log` strategy.
2026-02-03 15:23:23 +01:00

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SPDX-License-Identifier: MIT
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# Negative
- `Negative()`
Validates whether the input is a negative number.
```php
v::numericVal()->negative()->assert(-15);
// Validation passes successfully
```
## Templates
### `Negative::TEMPLATE_STANDARD`
| Mode | Template |
| ---------: | :---------------------------------------- |
| `default` | {{subject}} must be a negative number |
| `inverted` | {{subject}} must not be a negative number |
## Template placeholders
| Placeholder | Description |
| ----------- | ---------------------------------------------------------------- |
| `subject` | The validated input or the custom validator name (if specified). |
## Categorization
- Math
- Numbers
## Changelog
| Version | Description |
| ------: | :----------------------------------- |
| 2.0.0 | Does not validate non-numeric values |
| 0.3.9 | Created |
## See Also
- [Positive](Positive.md)