original_string: protected function getCache($key)
      {
          if (array_key_exists($key, $this->cache)) {
              return $this->cache[$key];
          }
          return false;
      }
code: protected function getCache($key)
      {
          if (array_key_exists($key, $this->cache)) {
              return $this->cache[$key];
          }
          return false;
      }
code_tokens: protected function getCache ( $ key ) { if ( array_key_exists ( $ key , $ this -> cache ) ) { return $ this -> cache [ $ key ] ; } return false ; }
docstring: Simple cache reader. Implemented as a function so that if you don't
  want caching, you can make a subclass that overrides this
  function and always returns false
  
  @param string $key Cache key
  
  @return various
docstring_tokens: Simple cache reader . Implemented as a function so that if you don t want caching you can make a subclass that overrides this function and always returns false