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monitoring / topologychangedevent/ MongoDB\Driver\Monitoring\TopologyChangedEvent::getPreviousDescription
MongoDB\Driver\Monitoring\TopologyChangedEvent::getPreviousDescription
PHP function
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(mongodb >=1.13.0)
Returns the previous description for the topology
Description
MongoDB\Driver\Monitoring\TopologyChangedEvent::getPreviousDescription(): MongoDB\Driver\TopologyDescription
Parameters Parameters
Return Values
Returns the previous MongoDB\Driver\TopologyDescription for the topology.