(原生)获取mongo集合对象的实例

代码

function getCollection($collection){    $mongo_config = array(        'dsn' => "mongodb://$host:$port",        'db' => $db,    );    $m = new \MongoClient($mongo_config['dsn']);    $db = $m->selectDB($mongo_config['db']);    return $collection = new \MongoCollection($db, $collection);}