original_string: public function has($key)
      {
          $key = $this->getKeyCode($key);
  
          $value = $this->memcacheObj->get($key);
          
          if (!$value) {
              return false;
          } else {
              return true;
          }
      }
code: public function has($key)
      {
          $key = $this->getKeyCode($key);
  
          $value = $this->memcacheObj->get($key);
          
          if (!$value) {
              return false;
          } else {
              return true;
          }
      }
code_tokens: public function has ( $ key ) { $ key = $ this -> getKeyCode ( $ key ) ; $ value = $ this -> memcacheObj -> get ( $ key ) ; if ( ! $ value ) { return false ; } else { return true ; } }
docstring: Check if the key exists in cache
  
  @parm mixed $key
  @return true if the key exist in cache
  @return false if the key does not exist in cache
docstring_tokens: Check if the key exists in cache