MYSQLI_GET_PROTO_INFO(3) 1 MYSQLI_GET_PROTO_INFO(3)
mysqli::$protocol_version - Returns the version of the MySQL protocol used
Object oriented style
SYNOPSIS
string$mysqli->protocol_version ()
DESCRIPTION
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
o $
link -Procedural style only: A link identifier returned by mysqli_connect(3) or mysqli_init(3)
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
", mysqli_connect_error());
exit();
}
/* print protocol version */
printf("Protocol version: %d
", $mysqli->protocol_version);
/* close connection */
$mysqli->close();
?>
Procedural style
<?php
$link = mysqli_connect("localhost", "my_user", "my_password");
/* check connection */
if (mysqli_connect_errno()) {
printf("Connect failed: %s
", mysqli_connect_error());
exit();
}
/* print protocol version */
printf("Protocol version: %d
", mysqli_get_proto_info($link));
/* close connection */
mysqli_close($link);
?>
The above examples will output:
Protocol version: 10
SEE ALSO
mysqli_get_host_info(3).
PHP Documentation Group MYSQLI_GET_PROTO_INFO(3)