# SolrClient::ping

(PECL solr >= 0.9.2)

SolrClient::ping — Checks if Solr server is still up

### 说明

public SolrClient::ping(): SolrPingResponse

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

### 参数

此函数没有参数。

### 返回值

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

### 错误／异常

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.

### 示例

示例 #1 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();
?>`

以上示例的输出类似于：

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open