(PECL solr >= 0.9.2)
SolrPingResponse::getResponse — Returns the response from the server
public SolrPingResponse::getResponse ( ) : string
Returns the response from the server. This should be empty because the request as a HEAD request.
This function has no parameters.
Returns an empty string.
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https://www.php.net/manual/en/solrpingresponse.getresponse.php