21 lines
445 B
Markdown
21 lines
445 B
Markdown
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# Countable
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- `v::countable()`
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Validates if the input is countable, in other words, if you're allowed to use
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[count()](http://php.net/count) function on it.
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```php
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v::countable()->validate([]); // true
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v::countable()->validate(new ArrayObject()); // true
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v::countable()->validate('string'); // false
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```
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***
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See also:
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* [ArrayType](ArrayType.md)
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* [ArrayVal](ArrayVal.md)
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* [Instance](Instance.md)
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* [IterableType](IterableType.md)
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