(PHP 5)
mysqli_get_client_info — Returns the MySQL client version as a string
The mysqli_get_client_info() function is used to return a string representing the client version being used in the MySQLi extension.
A string that represents the MySQL client library version
Example#1 mysqli_get_client_info
<?php
/* We don't need a connection to determine
the version of mysql client library */
printf("Client library version: %s\n", mysqli_get_client_info());
?>