the session is discarded. This function uses both the clients real IP address and the public IP address,
								so that users behind proxy servers can be uniquely identified (if the proxy reveils this information).
							</td>
						</tr>
						<tr>
							<th>match_ua</th>
							<td>boolean</td>
							<td><pre class="php"><code>true</code></pre></td>
							<td>
								If true, the User Agent string stored in the session cookie will be compared with the User Agent string as reported by the webserver.
