original_string: public function close()
      {
          if (isset($this->zip)) {
              $this->zip->close();
              $this->zip = null;
          }
      }
code: public function close()
      {
          if (isset($this->zip)) {
              $this->zip->close();
              $this->zip = null;
          }
      }
code_tokens: public function close ( ) { if ( isset ( $ this -> zip ) ) { $ this -> zip -> close ( ) ; $ this -> zip = null ; } }
docstring: Release the zip resource.
docstring_tokens: Release the zip resource .