php教程

MysqlndUhConnection::getServerStatistics

(PECL mysqlnd-uh >= 1.0.0-alpha)

MysqlndUhConnection::getServerStatisticsGets the current system status

说明

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

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($rettrue));
  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"

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