Countable Countable() Validates if the input is countable, in other words, if you're allowed to use count() function on it. v::countable()->isValid([]); // true v::countable()->isValid(new ArrayObject()); // true v::countable()->isValid('string'); // false Templates Countable::TEMPLATE_STANDARD Mode Template default {{subject}} must be a countable value inverted {{subject}} must not be a countable value Template placeholders Placeholder Description subject The validated input or the custom validator name (if specified). Categorization Types Changelog Version Description 1.0.0 Created from ArrayVal See also: ArrayType ArrayVal Instance IterableType IterableVal