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mysqli_get_proto_info

Returns the version of the MySQL protocol used (PHP 5)
int mysqli_get_proto_info ( mysqli link )

Procedural style:

Object oriented style (property):

mysqli {
  string protocol_version ;
}

Returns an integer representing the MySQL 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 1515. 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();
?>


Example 1516. 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 example will output:

Protocol version: 10