respect-validation/docs/validators/StringVal.md
Henrique Moody 7db3bea8a6
Enhance LintSpdxCommand with contributor tracking and header normalization
Improves SPDX header linting to ensure consistent license metadata across
the codebase.

Key changes:

- Enforce deterministic tag ordering (License-Identifier, FileCopyrightText,
  FileContributor) to ensure consistency, prevent merge conflicts, and
  simplify code reviews

- Add contributor alias mapping to consolidate contributors with multiple
  emails or name variations (e.g., "nickl-" → "Nick Lombard")

- Add --contributions-strategy option with "blame" (current code authors)
  and "log" (all historical contributors) to support different attribution
  philosophies

- Add optional path argument to lint specific files or directories

- Add --fix option to automatically correct header issues

Assisted-by: Claude Code (claude-opus-4-5-20251101)
2026-02-03 15:23:20 +01:00

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Markdown

<!--
SPDX-License-Identifier: MIT
SPDX-FileCopyrightText: (c) Respect Project Contributors
-->
# StringVal
- `StringVal()`
Validates whether the input can be used as a string.
```php
v::stringVal()->assert('6');
// Validation passes successfully
v::stringVal()->assert('String');
// Validation passes successfully
v::stringVal()->assert(1.0);
// Validation passes successfully
v::stringVal()->assert(42);
// Validation passes successfully
v::stringVal()->assert(false);
// Validation passes successfully
v::stringVal()->assert(true);
// Validation passes successfully
v::stringVal()->assert(new ClassWithToString());
// Validation passes successfully
```
## Templates
### `StringVal::TEMPLATE_STANDARD`
| Mode | Template |
| ---------: | :------------------------------------- |
| `default` | {{subject}} must be a string value |
| `inverted` | {{subject}} must not be a string value |
## Template placeholders
| Placeholder | Description |
| ----------- | ---------------------------------------------------------------- |
| `subject` | The validated input or the custom validator name (if specified). |
## Categorization
- Strings
- Types
## Changelog
| Version | Description |
| ------: | :---------- |
| 2.0.0 | Created |
## See Also
- [Alnum](Alnum.md)
- [BoolType](BoolType.md)
- [CallableType](CallableType.md)
- [FloatType](FloatType.md)
- [IntType](IntType.md)
- [NullType](NullType.md)
- [ObjectType](ObjectType.md)
- [ResourceType](ResourceType.md)
- [StringType](StringType.md)