Countable Countable() Validates if the input is countable, in other words, if you're allowed to use count() function on it. v::countable()->assert([]); // Validation passes successfully v::countable()->assert(new ArrayObject()); // Validation passes successfully v::countable()->assert('string'); // → "string" must be countable Templates Countable::TEMPLATE_STANDARD Mode Template default {{subject}} must be countable inverted {{subject}} must not be countable Template placeholders Placeholder Description subject The validated input or the custom validator name (if specified). Categorization Types Changelog Version Description 3.0.0 Templates changed 1.0.0 Created from ArrayVal See Also ArrayType ArrayVal Instance IterableType IterableVal