PHP - Manual: MongoDB\Driver\TopologyDescription::hasReadableServer
2025-02-27
(mongodb >=1.13.0)
MongoDB\Driver\TopologyDescription::hasReadableServer — Returns whether the topology has a readable server
$readPreference
= null
): bool
Returns whether the topology has a readable server or, if
readPreference
is specified, a server matching the
specified read preference.
此函数没有参数。
Returns whether the topology has a readable server or, if
readPreference
is specified, a server matching the
specified read preference.
官方地址:https://www.php.net/manual/en/mongodb-driver-topologydescription.hasreadableserver.php