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mysqli::$protocol_version

mysqli_get_proto_info

(PHP 5, PHP 7, PHP 8)

mysqli::$protocol_version -- mysqli_get_proto_info — Returns the version of the MySQL protocol used

Descrizione

Stile orientato agli oggetti

int $mysqli->protocol_version;

Stile procedurale

mysqli_get_proto_info(mysqli $mysql): int

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

Elenco dei parametri

link

Solo nello stile procedurale: un identificatore restituito da mysqli_connect() o mysqli_init()

Valori restituiti

Returns an integer representing the protocol version.

Esempi

Example #1 $mysqli->protocol_version example

Stile orientato agli oggetti

<?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);

Stile procedurale

<?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));

I precedenti esempi visualizzeranno:

Protocol version: 10

Vedere anche: