public function ical()
{
$ical = $this->contentLine('BEGIN', 'VCALENDAR');
$ical .= $this->contentLine('PRODID', sprintf('-//ps-webforge//Psc-CMS %s//EN', PSC::getVersion()));
$ical .= $this->contentLine('VERSION', '2.0');
$ical .= $this->contentLine('CALSCALE', $this->getCalScale());
$ical .= $this->contentLine('METHOD', 'PUBLISH');
//$ical .= X-WR-CALNAME:test // http://groups.google.com/group/microformats/msg/38f97bf3caa4559e?pli=1
$ical .= $this->contentLine('X-WR-TIMEZONE', date_default_timezone_get());
$ical .= $this->contentLine('X-WR-CALDESC', NULL);
$ical .= $this->icalTimezone();
foreach ($this->events as $event) {
if ($event->getUID() === NULL) {
$event->setUID(uniqid() . '@ps-webforge.com');
}
$ical .= $event->ical();
}
$ical .= $this->contentLine('END', 'VCALENDAR');
return $ical;
}