original_string: public function close()
      {
          $this->buffer       = null;
          $this->length       = null;
          $this->position     = null;
          $this->objectInfo   = null;
      }
code: public function close()
      {
          $this->buffer       = null;
          $this->length       = null;
          $this->position     = null;
          $this->objectInfo   = null;
      }
code_tokens: public function close ( ) { $ this -> buffer = null ; $ this -> length = null ; $ this -> position = null ; $ this -> objectInfo = null ; }
docstring: Closes the buffer
docstring_tokens: Closes the buffer