r of seconds of idle time after which the session will expire. This value must be greater than zero.
								If an invalid value is defined, it will be set to 7200 seconds.
							</td>
						</tr>
						<tr>
							<th>expire_on_close</th>
							<td>boolean</td>
							<td><pre class="php"><code>false</code></pre></td>
							<td>
								When set to true, the session will expire when the browser (not the current window!) is closed.
								If set, it has precedence over the expiration_time defined.
					