Factory::createCategory

public function createCategory(array $data = []): Category;

/**
 * Returns category by id.
 *
 * @param int $id
 * @return Category|null
 */
public function getCategory(int $id): ?Category
{
	foreach($this->getCategories() as $category)
	{
		if($category->getId() === $id)
		{
			return $category;
		}
	}

	return null;
}