DriverFactory for PHP MongoDB Driver to manage the upgrade from version < 1.3.0 to version >= 1.3.0

DriverFactory

<?php

class DriverFactory
{
    private $server;
    private $options;

    public function __construct($server = 'localhost:27017', array $options = array())
    {
        $this->server = $server;
        $this->options = $options;
    }

    public function connection()
    {
        $currentVersion = \Mongo::VERSION;
        if (version_compare($currentVersion, '1.3.0') === -1) {
            return new \Mongo($this->server, $this->options);
        }
        $upgradedOptions = $this->validOptionsFromLegacyOptions($this->options);
        return new \MongoClient($this->server, $upgradedOptions);
    }
    
    private function validOptionsFromLegacyOptions(array $options)
    {
      // here some logic as remove 'safe' or 'persist' key or
      // change the name of deprecated keys
    }
}