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mysqli::$protocol_version

mysqli_get_proto_info

(PHP 5, PHP 7, PHP 8)

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

Description

Object-oriented style

Procedural style

mysqli_get_proto_info(mysqli $mysql): int

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

Parameters

mysql

Procedural style only: A mysqli object 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_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);

Procedural style

<?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));

The above examples will output:

Protocol version: 10

See Also

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