# SolrQuery::getFacetMissing

(PECL solr >= 0.9.2)

SolrQuery::getFacetMissing — Returns the current state of the facet.missing parameter

### 说明

public SolrQuery::getFacetMissing(string `$field_override` = ?): bool

Returns the current state of the facet.missing parameter. This accepts an optional field override

### 参数

`field_override`

  The name of the field

### 返回值

Returns a boolean on success and `null` if not set

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