ajillion/PHP-MySQLi-Database-Class — pull request #54 by radiumsoup (2013-11-03 21:19:09+00:00)
Title: Add mysqli->ping functionality

Since _mysqli is protected, we can't run a mysli->ping on the connection from the instantiated object. This public function exposes it so we can keep an idle connection open if desired, or to reconnect if the server disconnected us.