mysqli::$server_info

mysqli_get_server_info

(PHP 5)

mysqli::$server_info -- mysqli_get_server_info — Returns the version of the MySQL server

说明

面向对象风格

string $mysqli->server_info;

过程化风格

string mysqli_get_server_info ( mysqli $link )

Returns a string representing the version of the MySQL server that the MySQLi extension is connected to.

参数

link: 仅以过程化样式：由 mysqli_connect() 或 mysqli_init() 返回的链接标识。

返回值

A character string representing the server version.

范例

Example #1 $mysqli->server_info example

面向对象风格


<?php
$mysqli = new mysqli("localhost", "my_user", "my_password");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* print server version */
printf("Server version: %s\n", $mysqli->server_info);

/* close connection */
$mysqli->close();
?>

过程化风格


<?php
$link = mysqli_connect("localhost", "my_user", "my_password");

/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}

/* print server version */
printf("Server version: %s\n", mysqli_get_server_info($link));

/* close connection */
mysqli_close($link);
?>

以上例程会输出：

Server version: 4.1.2-alpha-debug

参见

mysqli_get_client_info() - Returns the MySQL client version as a string
mysqli_get_client_version() - Get MySQL client info
mysqli_get_server_version() - Returns the version of the MySQL server as an integer