Sokil\Mongo\Client::useDatabase PHP Method

    public function useDatabase($name)
    {
        $this->currentDatabaseName = $name;
        return $this;
    }

 /**
  *  Get mongo client instance.
  *  @return array $config
  */
 public static function getClient()
 {
     // get configurations from config file here.
     $config = file_get_contents(__DIR__ . '/../config.json');
     $config = (array) json_decode($config);
     $client = new Client($config['dns'] . '/' . $config['database']);
     $client->useDatabase($config['database']);
     return $client;
 }