MongoDB\Driver\TopologyDescription::hasReadableServer
(mongodb >=1.13.0)
MongoDB\Driver\TopologyDescription::hasReadableServer — Returns whether the topology has a readable server
Description
Returns whether the topology has a readable server or, if
readPreference is specified, a server matching the
specified read preference.
Parameters
This function has no parameters.
Return Values
Returns whether the topology has a readable server or, if
readPreference is specified, a server matching the
specified read preference.