/**
* Sets the number of seconds before a page cached on a browser expires.
* @param string|int|DateTime time, value 0 means "until the browser is closed"
* @return self
* @throws XApp_InvalidStateException if HTTP headers have been sent
*/
public function setExpiration($time)
{
if (!$time) {
// no cache
$this->setHeader('Cache-Control', 's-maxage=0, max-age=0, must-revalidate');
$this->setHeader('Expires', 'Mon, 23 Jan 1978 10:00:00 GMT');
return $this;
}
$time = Xapp_DateTime::from($time);
$this->setHeader('Cache-Control', 'max-age=' . ($time->format('U') - time()));
$this->setHeader('Expires', self::date($time));
return $this;
}
/**
* Enables log out after inactivity.
* @param string|int|DateTime Number of seconds or timestamp
* @param int Log out when the browser is closed | Clear the identity from persistent storage?
* @return self
*/
public function setExpiration($time, $flags = 0)
{
$section = $this->getSessionSection(TRUE);
if ($time) {
$time = Xapp_DateTime::from($time)->format('U');
$section->expireTime = $time;
$section->expireDelta = $time - time();
} else {
unset($section->expireTime, $section->expireDelta);
}
$section->expireIdentity = (bool) ($flags & self::CLEAR_IDENTITY);
$section->expireBrowser = (bool) ($flags & self::BROWSER_CLOSED);
$section->browserCheck = TRUE;
$section->setExpiration(0, 'browserCheck');
$section->setExpiration($time, 'foo');
// time check
return $this;
}
