SolrQuery::setFacetMissing

(PECL solr >= 0.9.2)

SolrQuery::setFacetMissing — Maps to facet.missing

Description

public SolrQuery::setFacetMissing ( bool $flag [, string $field_override ] ) : SolrQuery

Used to indicate that in addition to the Term-based constraints of a facet field, a count of all matching results which have no value for the field should be computed

Parameters

flag: true turns this feature on. false disables it.
field_override: The name of the field.

Return Values

Returns the current SolrQuery object, if the return value is used.

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https://www.php.net/manual/en/solrquery.setfacetmissing.php