mysqli_get_proto

(PHP 5)

mysqli_get_proto_info

(no version information, might be only in CVS)

mysqli->protocol_version -- Returns the version of the MySQL protocol used

Description

Procedural style:

int mysqli_get_proto_info ( mysqli link )

Object oriented style (property):

class mysqli {

string protocol_version

}

Returns an integer representing the MySQL protocol version used by the connection represented by the link parameter.

返回值

Returns an integer representing the protocol version.

参见

mysqli_get_host_info().

例

例子 1. Object oriented style


<?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 protocol version */
printf("Protocol version: %d\n", $mysqli->protocol_version);

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

例子 2. Procedural style


<?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 protocol version */
printf("Protocol version: %d\n", mysqli_get_proto_info($link));

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

上例将输出：

Protocol version: 10