SolrClient::ping

Checks if Solr server is still up

&reftitle.description; public `SolrPingResponse` `SolrClient::ping`

Checks if the Solr server is still alive. Sends a HEAD request to the Apache Solr server.

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Returns a `SolrPingResponse` object on success and throws an exception on failure.

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Throws `SolrClientException` if the client had failed, or there was a connection issue.

Throws `SolrServerException` if the Solr Server had failed to satisfy the request.

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### `SolrClient::ping` example

    <?php
    $options = array
    (
        'hostname' => SOLR_SERVER_HOSTNAME,
        'login'    => SOLR_SERVER_USERNAME,
        'password' => SOLR_SERVER_PASSWORD,
        'port'     => SOLR_SERVER_PORT,
    );

    $client = new SolrClient($options);

    $pingresponse = $client->ping();

    ?>

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