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PHP Manual :: mysqli::$protocol_version



mysqli::$host_info || mysqli::$server_info || mysqli || PHP Manual

(PHP 5, PHP 7)

mysqli::$protocol_version -- mysqli_get_proto_infoReturns the version of the MySQL protocol used

Description

Object oriented style

Procedural style

int mysqli_get_proto_info ( mysqli $link )

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

Parameters

link

Procedural style only: A link identifier returned by mysqli_connect() or mysqli_init()

Return Values

Returns an integer representing the protocol version.

Examples

Example #1 $mysqli->protocol_version example

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();
?>

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);
?>

The above examples will output:

Protocol version: 10

See Also



mysqli::$host_info || mysqli::$server_info || mysqli || PHP Manual
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