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20 lines
451 B
Markdown
20 lines
451 B
Markdown
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# LanguageCode
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- `v::languageCode()`
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Validates a language code based on ISO 639:
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```php
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v::languageCode()->validate('pt'); // true
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v::languageCode()->validate('en'); // true
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v::languageCode()->validate('it'); // true
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v::languageCode('alpha-3')->validate('ita'); // true
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v::languageCode('alpha-3')->validate('eng'); // true
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```
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You can choose between alpha-2 and alpha-3, alpha-2 is set by default.
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***
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See also:
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* [CountryCode](CountryCode.md)
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