Php/docs/solrcollapsefunction.getnullpolicy
From Get docs
SolrCollapseFunction::getNullPolicy
(PECL solr >= 2.2.0)
SolrCollapseFunction::getNullPolicy — Returns null policy
Description
public SolrCollapseFunction::getNullPolicy ( ) : string
Returns null policy used or null
Parameters
This function has no parameters.