function getCalendarItems()
{
GCalendarUtil::ensureSPIsLoaded();
$params = $this->params;
$calendarids = $params->get('calendarids');
$results = GCalendarDBUtil::getCalendars($calendarids);
if (empty($results)) {
JError::raiseWarning(500, 'The selected calendar(s) were not found in the database.');
return array();
}
$values = array();
$sortOrder = $params->get('order', 1) == 1;
$maxEvents = $params->get('max_events', 10);
foreach ($results as $result) {
if (!empty($result->calendar_id)) {
$feed = new SimplePie_GCalendar();
$feed->set_show_past_events($params->get('past_events', TRUE));
$startDate = $params->get('start_date', '');
$endDate = $params->get('end_date', '');
if (!empty($startDate) && !empty($endDate)) {
$feed->set_start_date(strtotime($startDate));
$feed->set_end_date(strtotime($endDate));
}
$feed->set_sort_ascending(TRUE);
$feed->set_orderby_by_start_date($sortOrder);
$feed->set_expand_single_events($params->get('expand_events', TRUE));
$feed->enable_order_by_date(false);
$conf =& JFactory::getConfig();
if ($params != null && ($params->get('gc_cache', 0) == 2 || $params->get('gc_cache', 0) == 1 && $conf->getValue('config.caching'))) {
$cacheTime = $params->get('gccache_time', $conf->getValue('config.cachetime') * 60);
// check if cache directory exists and is writeable
$cacheDir = JPATH_BASE . DS . 'cache' . DS . $params->get('gc_cache_folder', '');
JFolder::create($cacheDir, 0755);
if (!is_writable($cacheDir)) {
JError::raiseWarning(500, "Created cache at " . $cacheDir . " is not writable, disabling cache.");
$cache_exists = false;
} else {
$cache_exists = true;
}
//check and set caching
$feed->enable_cache($cache_exists);
if ($cache_exists) {
$feed->set_cache_location($cacheDir);
$feed->set_cache_duration($cacheTime);
}
} else {
$feed->enable_cache(false);
$feed->set_cache_duration(-1);
}
$feed->set_max_events($maxEvents);
$feed->set_timezone(GCalendarUtil::getComponentParameter('timezone'));
$feed->set_cal_language(GCalendarUtil::getFrLanguage());
$feed->set_cal_query($params->get('find', ''));
$feed->put('gcid', $result->id);
$feed->put('gcname', $result->name);
$feed->put('gccolor', $result->color);
$url = SimplePie_GCalendar::create_feed_url($result->calendar_id, $result->magic_cookie);
$feed->set_feed_url($url);
// Initialize the feed so that we can use it.
$feed->init();
// echo $feed->feed_url;
if ($feed->error()) {
JError::raiseWarning(500, 'Simplepie detected an error. Please run the <a href="administrator/components/com_gcalendar/libraries/sp-gcalendar/sp_compatibility_test.php">compatibility utility</a>.', $feed->error());
}
// Make sure the content is being served out to the browser properly.
$feed->handle_content_type();
$values = array_merge($values, $feed->get_items());
}
}
// we sort the array based on the event compare function
usort($values, array("SimplePie_Item_GCalendar", "compare"));
$events = array_filter($values, array($this, "filter"));
$offset = $params->get('offset', 0);
$numevents = $params->get('count', $maxEvents);
$events = array_slice($values, $offset, $numevents);
//return the feed data structure for the template
return $events;
}
}
$emails = explode(',', $emails);
$urls = array();
foreach ($emails as $email) {
$urls[] = trim(SimplePie_GCalendar::create_feed_url($email));
}
$feed = new SimplePie_GCalendar();
/* GCalendar Parameters */
$feed->set_show_past_events(1);
$feed->set_sort_ascending(1);
$feed->set_orderby_by_start_date(1);
$feed->set_expand_single_events(1);
$feed->set_start_min_date($startMin);
$feed->set_start_max_date($startMax);
$feed->set_max_results();
$feed->set_cal_query();
/* SimplePie Parameters */
if ($useCache) {
$feed->set_cache_location($basePath . 'cache');
} else {
$feed->enable_cache(false);
}
$feed->set_feed_url($urls);
$feed->enable_order_by_date(FALSE);
$feed->init();
$feed->handle_content_type();
$gcalendar_data = $feed->get_items();
$cal_dates = array();
for ($i = 0; $i < sizeof($gcalendar_data); $i++) {
$item = $gcalendar_data[$i];
/*
