MongoDB\Driver\TopologyDescription::hasWritableServer
(mongodb >=1.13.0)
MongoDB\Driver\TopologyDescription::hasWritableServer — Returns whether the topology has a writable server
说明
Returns whether the topology has a writable server.
参数
此函数没有参数。
返回值
Returns whether the topology has a writable server.
错误／异常
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
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