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(PECL solr >= 2.0.0)
SolrClient::system — Retrieve Solr Server information
Retrieve Solr Server information
此函数没有参数。
Returns a SolrGenericResponse object on success.
Emits SolrClientException if the client failed, or there was a connection issue.
Emits SolrServerException if the Solr Server failed to satisfy the query.