s->db->call_function();</h2>

<p>This function enables you to call PHP database functions that are not natively included in CodeIgniter, in a platform independent manner.
For example, lets say you want to call the <dfn>mysql_get_client_info()</dfn> function, which is <strong>not</strong> natively supported
by CodeIgniter.  You could do so like this:
</p>

<code>$this->db->call_function('<var>get_client_info</var>');</code>

<p>You must supply the name of the function, <strong>without</strong> the <var>mysql