protected function getCache($key)
    {
        if (array_key_exists($key, $this->cache)) {
            return $this->cache[$key];
        }
        return false;
    }
protected function getCache($key)
    {
        if (array_key_exists($key, $this->cache)) {
            return $this->cache[$key];
        }
        return false;
    }
protected function getCache ( $ key ) { if ( array_key_exists ( $ key , $ this -> cache ) ) { return $ this -> cache [ $ key ] ; } return false ; }
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
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