get-proto-info
mysqli::$protocol_version
mysqli_get_proto_info
Returns the version of the MySQL protocol used
ENTITY
ENTITY
int
mysqli-ENTITYprotocol_version
ENTITY
int
mysqli_get_proto_info
mysqli
mysql
Returns an integer representing the MySQL protocol version used by the connection represented by the mysql parameter.
ENTITY
ENTITY
Returns an integer representing the protocol version.
ENTITY
$mysqli-ENTITYprotocol_version example
ENTITY
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$mysqli = new mysqli("localhost", "my_user", "my_password");
/* print protocol version */
printf("Protocol version: %d\n", $mysqli->protocol_version);
ENTITY
<?php
mysqli_report(MYSQLI_REPORT_ERROR | MYSQLI_REPORT_STRICT);
$link = mysqli_connect("localhost", "my_user", "my_password");
/* print protocol version */
printf("Protocol version: %d\n", mysqli_get_proto_info($link));
ENTITY
Protocol version: 10
ENTITY
mysqli_get_host_info
这篇文档对你有帮助吗?
谢谢你的反馈!