MysqlndUhConnection::getProtocolInformation
(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::getProtocolInformation — Returns the version of the MySQL protocol used
说明
public
MysqlndUhConnection::getProtocolInformation (
mysqlnd_connection
$connection
) :
string
Returns the version of the MySQL protocol used.
参数
-
connection
-
Mysqlnd connection handle. Do not modify!
返回值
The protocol version.
范例
Example #1 MysqlndUhConnection::getProtocolInformation() example
<?php
class proxy extends MysqlndUhConnection {
public function getProtocolInformation($res) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
$ret = parent::getProtocolInformation($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->protocol_version);
?>
以上例程会输出:
proxy::getProtocolInformation(array ( 0 => NULL, )) proxy::getProtocolInformation returns 10 int(10)
参见
- mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
- mysqli_get_proto_info() - 返回MySQL使用的协议版本号
- mysql_get_proto_info() - 取得 MySQL 协议信息