original_string: public function count_questions($categoryid, $includesubcategories, $tagids = []) {
          $questionids = $this->get_question_ids($categoryid, $includesubcategories, $tagids);
          return count($questionids);
      }
code: public function count_questions($categoryid, $includesubcategories, $tagids = []) {
          $questionids = $this->get_question_ids($categoryid, $includesubcategories, $tagids);
          return count($questionids);
      }
code_tokens: public function count_questions ( $ categoryid , $ includesubcategories , $ tagids = [ ] ) { $ questionids = $ this -> get_question_ids ( $ categoryid , $ includesubcategories , $ tagids ) ; return count ( $ questionids ) ; }
docstring: Count the number of available questions for the given criteria.
  
  @param int $categoryid The id of a category in the question bank.
  @param bool $includesubcategories Whether to pick a question from exactly
  that category, or that category and subcategories.
  @param array $tagids An array of tag ids. If an array is provided, then
  only the questions that are tagged with ALL the provided tagids will be loaded.
  @return int The number of questions matching the criteria.
docstring_tokens: Count the number of available questions for the given criteria .