MongoDB\Driver\Manager::getReadConcern

(mongodb >=1.1.0)

MongoDB\Driver\Manager::getReadConcern — Return the ReadConcern for the Manager

说明

final public MongoDB\Driver\Manager::getReadConcern(): MongoDB\Driver\ReadConcern

Returns the MongoDB\Driver\ReadConcern for the Manager, which is derived from its URI options. This is the default read concern for queries and commands executed on the Manager.

参数

此函数没有参数。

返回值

The MongoDB\Driver\ReadConcern for the Manager.

错误／异常

Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

示例

示例 #1 MongoDB\Driver\Manager::getReadConcern() example

<?php

$manager = new MongoDB\Driver\Manager('mongodb://localhost:27017');
var_dump($manager->getReadConcern());

$manager = new MongoDB\Driver\Manager('mongodb://localhost:27017/?readConcernLevel=local');
var_dump($manager->getReadConcern());

?>

以上示例的输出类似于：

object(MongoDB\Driver\ReadConcern)#2 (0) {
}
object(MongoDB\Driver\ReadConcern)#1 (1) {
  ["level"]=>
  string(5) "local"
}

参见

MongoDB\Driver\ReadConcern
MongoDB\Driver\Manager::__construct() - Create new MongoDB Manager

发现了问题？

了解如何改进此页面 • 提交拉取请求 • 报告一个错误

＋添加备注

用户贡献的备注

此页面尚无用户贡献的备注。

备份地址：http://www.lvesu.com/blog/php/mongodb-driver-manager.getreadconcern.php