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21 lines
446 B
Markdown
21 lines
446 B
Markdown
# Callback
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- `v::callback(callable $callback)`
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This is a wildcard validator, it uses a function name, method or closure
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to validate something:
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```php
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v::callback('is_int')->validate(10); // true
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```
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(Please note that this is a sample, the `v::intVal()` validator is much better).
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As in `v::call()`, you can pass a method or closure to it.
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***
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See also:
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* [Call](Call.md)
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* [CallableType](CallableType.md)
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* [FilterVar](FilterVar.md)
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