mysqli::$protocol_version, mysqli_get_proto_info

• mysqli::$protocol_version

  mysqli_get_proto_info

  Returns the version of the MariaDB protocol used

Description

Object oriented stylestring mysqli->protocol_version ;

Procedural styleint mysqli_get_proto_info(mysqli link);

Returns an integer representing the MariaDB 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 20.120. $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_get_host_info

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