Returns the version of the MySQL protocol used (original) (raw)

mysqli::$protocol_version

mysqli_get_proto_info

(PHP 5, PHP 7)

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

Description

Object oriented style

stringmysqli->protocol_version;

Procedural style

mysqli_get_proto_info ( mysqli $link ) : int

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:

See Also

• mysqli_get_host_info() - Returns a string representing the type of connection used