Returns an array of filter queries

# SolrQuery::getFilterQueries

(PECL solr >= 0.9.2)

SolrQuery::getFilterQueries — Returns an array of filter queries

### 说明

public function SolrQuery::getFilterQueries(): array

Returns an array of filter queries. These are queries that can be used to restrict the super set of documents that can be returned, without influencing score

### 参数

此函数没有参数。

### 返回值

Returns an array on success and `null` if not set.

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