Jacwright\RestServer\RestServer::loadCache PHP Метод

    protected function loadCache()
    {
        if ($this->cached !== null) {
            return;
        }
        $this->cached = false;
        if ($this->mode == 'production') {
            if (function_exists('apc_fetch')) {
                $map = apc_fetch('urlMap');
            } elseif (file_exists($this->cacheDir . '/urlMap.cache')) {
                $map = unserialize(file_get_contents($this->cacheDir . '/urlMap.cache'));
            }
            if (isset($map) && is_array($map)) {
                $this->map = $map;
                $this->cached = true;
            }
        } else {
            if (function_exists('apc_delete')) {
                apc_delete('urlMap');
            } else {
                @unlink($this->cacheDir . '/urlMap.cache');
            }
        }
    }