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<SolrCollapseFunction::setMinSolrCollapseFunction::setSize>
^SolrCollapseFunctionLast updated: Mon, 26 Oct 2026

SolrCollapseFunction::setNullPolicy

(PECL solr >= 2.2.0)

SolrCollapseFunction::setNullPolicy — Sets the NULL Policy

Description

public function SolrCollapseFunction::setNullPolicy(string $nullPolicy): SolrCollapseFunction

Sets the NULL Policy. One of the 3 policies defined as class constants shall be passed. Accepts ignore, expand, or collapse policies.

Parameters

nullPolicy

Return Values

SolrCollapseFunction


<SolrCollapseFunction::setMinSolrCollapseFunction::setSize>
^SolrCollapseFunctionLast updated: Mon, 26 Oct 2026