original_string: public function delete($key)
      {
          $filename = $this->getKeyCode($key);
          $this->memcacheObj->delete($filename);
      }
code: public function delete($key)
      {
          $filename = $this->getKeyCode($key);
          $this->memcacheObj->delete($filename);
      }
code_tokens: public function delete ( $ key ) { $ filename = $ this -> getKeyCode ( $ key ) ; $ this -> memcacheObj -> delete ( $ filename ) ; }
docstring: Remove a key from cache
  
  @parm mixed $key
docstring_tokens: Remove a key from cache