original_string: public function setMongaCollection($collection_name)
      {
          $this->collection = $this->database->collection($collection_name);
          return $this->collection;
      }
code: public function setMongaCollection($collection_name)
      {
          $this->collection = $this->database->collection($collection_name);
          return $this->collection;
      }
code_tokens: public function setMongaCollection ( $ collection_name ) { $ this -> collection = $ this -> database -> collection ( $ collection_name ) ; return $ this -> collection ; }
docstring: Sets a new collection property based on the lowercase, tableized collection name passed in as the first arg.
  
  @param string $collection_name
  @return mixed
docstring_tokens: Sets a new collection property based on the lowercase tableized collection name passed in as the first arg .