N98\Magento\DbSettings::setFile PHP Метод

    public function setFile($file)
    {
        if (!is_readable($file)) {
            throw new InvalidArgumentException(sprintf('"app/etc/local.xml"-file %s is not readable', var_export($file, true)));
        }
        $saved = libxml_use_internal_errors(true);
        $config = simplexml_load_file($file);
        libxml_use_internal_errors($saved);
        if (false === $config) {
            throw new InvalidArgumentException(sprintf('Unable to open "app/etc/local.xml"-file %s and parse it as XML', var_export($file, true)));
        }
        $resources = $config->global->resources;
        if (!$resources) {
            throw new InvalidArgumentException('DB global resources was not found in "app/etc/local.xml"-file');
        }
        if (!$resources->default_setup->connection) {
            throw new InvalidArgumentException('DB settings (default_setup) was not found in "app/etc/local.xml"-file');
        }
        $this->parseResources($resources);
    }