MysqlndUhConnection::getServerStatistics

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getServerStatistics — Gets the current system status

说明

public string MysqlndUhConnection::getServerStatistics ( mysqlnd_connection $connection )

Gets the current system status.

参数

connection: Mysqlnd connection handle. Do not modify!

返回值

The system status message.

范例

Example #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 ));
 ?>

以上例程会输出：

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"

参见

mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
mysqli_stat() - Gets the current system status
mysql_stat() - 取得当前系统状态