<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="solrclient.ping" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>SolrClient::ping</refname>
  <refpurpose>Checks if Solr server is still up</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <modifier>public</modifier> <type>SolrPingResponse</type><methodname>SolrClient::ping</methodname>
   <void />
  </methodsynopsis>
  <para>
   Checks if the Solr server is still alive. Sends a HEAD request to the Apache Solr server.
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns a <type>SolrPingResponse</type> object on success and throws an exception on failure.
  </para>
 </refsect1>
 
 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   Throws <classname>SolrClientException</classname> if the client had failed, or there was a connection issue.
  </para>
  <para>
    Throws <classname>SolrServerException</classname> if the Solr Server had failed to satisfy the request.
  </para>
 </refsect1>
 
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><methodname>SolrClient::ping</methodname> example</title>
    <programlisting role="php">
<![CDATA[
<?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();

?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[

]]>
    </screen>
   </example>
  </para>
 </refsect1>

</refentry>

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