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be72a54845They only know what message a rule produces when they try running it. Including the messages in the documentation will make it easier for people to know what to expect. There are a couple of undocumented placeholders, but I can live with that for now.
57 lines
1.7 KiB
Markdown
57 lines
1.7 KiB
Markdown
# LanguageCode
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- `LanguageCode()`
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- `LanguageCode("alpha-2"|"alpha-3" $set)`
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Validates whether the input is language code based on [ISO 639][].
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**This rule requires [sokil/php-isocodes][] and [sokil/php-isocodes-db-only][] to be installed.**
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```php
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v::languageCode()->isValid('pt'); // true
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v::languageCode()->isValid('en'); // true
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v::languageCode()->isValid('it'); // true
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v::languageCode('alpha-3')->isValid('ita'); // true
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v::languageCode('alpha-3')->isValid('eng'); // true
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```
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This rule supports the two[ISO 639][] sets:
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- `alpha-2`
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- `alpha-3`
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## Templates
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`LanguageCode::TEMPLATE_STANDARD`
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| Mode | Template |
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|------------|--------------------------------------------|
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| `default` | {{name}} must be a valid language code |
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| `inverted` | {{name}} must not be a valid language code |
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## Template placeholders
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| Placeholder | Description |
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|-------------|------------------------------------------------------------------|
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| `name` | The validated input or the custom validator name (if specified). |
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## Categorization
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- ISO codes
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- Localization
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## Changelog
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| Version | Description |
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|--------:|-------------------------------------------------------------------|
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| 3.0.0 | Require [sokil/php-isocodes][] and [sokil/php-isocodes-db-only][] |
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| 1.1.0 | Created |
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***
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See also:
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- [CountryCode](CountryCode.md)
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[ISO 639]: https://en.wikipedia.org/wiki/ISO_639-3
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[sokil/php-isocodes]: https://github.com/sokil/php-isocodes
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[sokil/php-isocodes-db-only]: https://github.com/sokil/php-isocodes-db-only
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