private static function setupSession($timelineTestDate)
{
if (!isset($_SESSION)) {
session_id('TimelineMultipageSession');
session_start();
}
if (isset($timelineTestDate)) {
$_SESSION['timelineDate'] = $timelineTestDate;
StatelessTimeline::getInstance()->setDummyTestDate($_SESSION['timelineDate']);
watchdog('setting NOW from new value', $timelineTestDate);
return;
}
if (isset($_SESSION['timelineDate'])) {
watchdog('setting NOW from value found in session', $_SESSION['timelineDate']);
StatelessTimeline::getInstance()->setDummyTestDate($_SESSION['timelineDate']);
}
}