Gets the current system status

# MysqlndUhConnection::getServerStatistics

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getServerStatistics — Gets the current system status

### 説明

public MysqlndUhConnection::getServerStatistics ( mysqlnd_connection `$connection` ) : string

Gets the current system status.

### パラメータ

`connection`

  Mysqlnd connection handle. Do not modify!

### 返り値

The system status message.

### 例

例1 MysqlndUhConnection::getServerStatistics() example

`<?php
class proxy extends MysqlndUhConnection {
public function getServerStatistics($res) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
$ret = parent::getServerStatistics($res);
printf("%s returns %s\n", __METHOD__, var_export($ret, true));
return $ret;
}
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost", "root", "", "test");
var_dump(mysqli_stat($mysqli));
?>`

上の例の出力は以下となります。

    proxy::getServerStatistics(array (
      0 => NULL,
    ))
    proxy::getServerStatistics returns 'Uptime: 2059995  Threads: 1  Questions: 126157  Slow queries: 0  Opens: 6377  Flush tables: 1  Open tables: 18  Queries per second avg: 0.61'
    string(140) "Uptime: 2059995  Threads: 1  Questions: 126157  Slow queries: 0  Opens: 6377  Flush tables: 1  Open tables: 18  Queries per second avg: 0.61"

### 参考

- mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
- mysqli_stat() - 現在のシステム状態を取得する
- mysql_stat() - 現在のシステムの状態を取得する