Php/docs/mysqlnduhconnection.getprotocolinformation

• PHP Manual
• MysqlndUhConnection
• Returns the version of the MySQL protocol used

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

<?phpclass 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