original_string: protected function cleanup()
      {
          if ($this->resource) {
              proc_terminate($this->resource);
          }
  
          if (is_resource($this->handle)) {
              fclose($this->handle);
          }
  
          $this->handle   = null;
          $this->resource = null;
      }
code: protected function cleanup()
      {
          if ($this->resource) {
              proc_terminate($this->resource);
          }
  
          if (is_resource($this->handle)) {
              fclose($this->handle);
          }
  
          $this->handle   = null;
          $this->resource = null;
      }
code_tokens: protected function cleanup ( ) { if ( $ this -> resource ) { proc_terminate ( $ this -> resource ) ; } if ( is_resource ( $ this -> handle ) ) { fclose ( $ this -> handle ) ; } $ this -> handle = null ; $ this -> resource = null ; }
docstring: Performs cleanup duties so that no traces
  of this timer having ever been used remain.
docstring_tokens: Performs cleanup duties so that no traces of this timer having ever been used remain .