SolrQuery::getFacetDateFields (PECL solr >= 0.9.2)SolrQuery::getFacetDateFields — Returns all the facet.date fields 说明 public SolrQuery::getFacetDateFields(): array Returns all the facet.date fields 参数 此函数没有参数。 返回值 Returns all the facet.date fields as an array or null if none was set