PHP vcalendar类代码示例

 /**
  * @return array
  */
 private function getICalPeriods()
 {
     $response = [];
     $iCalLink = $this->checkForICalHref();
     if ($this->checkAccessToFile($iCalLink)) {
         $startArray = array();
         $endArray = array();
         require_once 'iCalcreator.php';
         $v = new \vcalendar();
         // initiate new CALENDAR
         $config = array("unique_id" => "ukrapts.com", "url" => "{$iCalLink}");
         $v->setConfig($config);
         $v->parse();
         $v->sort();
         $i = 0;
         while ($comp = $v->getComponent("VEVENT")) {
             $dtstart_array = $comp->getProperty("DTSTART", 1, TRUE);
             $dtstart = $dtstart_array["value"];
             $startDate = "{$dtstart["year"]}-{$dtstart["month"]}-{$dtstart["day"]}";
             $dtend_array = $comp->getProperty("dtend", 1, TRUE);
             $dtend = $dtend_array["value"];
             $endDate = "{$dtend["year"]}-{$dtend["month"]}-{$dtend["day"]}";
             if ($endDate >= $this->DBQueries()->currentDate()) {
                 $startArray[] = $startDate;
                 $endArray[] = $endDate;
             }
             $i++;
         }
         sort($startArray);
         sort($endArray);
         $response['start'] = $startArray;
         $response['end'] = $endArray;
     }
     return $response;
 }

 /**
  * Creates an event in an iCalendar 
  * 
  * @param vcalendar $cal
  * @return vevent
  */
 public function createVevent($cal)
 {
     $event = $cal->newComponent('vevent');
     $event->setProperty('dtstart', $this->makeDateArray());
     // End date must be the day after to make it an all-day event
     $endDate = clone $this;
     $endDate->addDays(1);
     $event->setProperty('dtend', $endDate->makeDateArray());
     return $event;
 }

 private static function row2array($row, $timezone, $hostname, $uid, $namespace_id)
 {
     $v = new vcalendar();
     $v->setConfig('unique_id', $hostname);
     $v->setProperty('method', 'PUBLISH');
     $v->setProperty("x-wr-calname", "AnimexxCal");
     $v->setProperty("X-WR-CALDESC", "Animexx Calendar");
     $v->setProperty("X-WR-TIMEZONE", $timezone);
     if ($row["adjust"]) {
         $start = datetime_convert('UTC', date_default_timezone_get(), $row["start"]);
         $finish = datetime_convert('UTC', date_default_timezone_get(), $row["finish"]);
     } else {
         $start = $row["start"];
         $finish = $row["finish"];
     }
     $allday = strpos($start, "00:00:00") !== false && strpos($finish, "00:00:00") !== false;
     /*
     
     if ($allday) {
     	$dat = Datetime::createFromFormat("Y-m-d H:i:s", $finish_tmp);
     	$dat->sub(new DateInterval("P1D"));
     	$finish = datetime_convert("UTC", date_default_timezone_get(), $dat->format("Y-m-d H:i:s"));
     	var_dump($finish);
     }
     */
     $subject = substr(preg_replace("/\\[[^\\]]*\\]/", "", $row["desc"]), 0, 100);
     $description = preg_replace("/\\[[^\\]]*\\]/", "", $row["desc"]);
     $vevent = dav_create_vevent(wdcal_mySql2icalTime($row["start"]), wdcal_mySql2icalTime($row["finish"]), false);
     $vevent->setLocation(icalendar_sanitize_string($row["location"]));
     $vevent->setSummary(icalendar_sanitize_string($subject));
     $vevent->setDescription(icalendar_sanitize_string($description));
     $v->setComponent($vevent);
     $ical = $v->createCalendar();
     return array("uid" => $uid, "namespace" => CALDAV_NAMESPACE_FRIENDICA_NATIVE, "namespace_id" => $namespace_id, "date" => $row["edited"], "data_uri" => "friendica-" . $namespace_id . "-" . $row["id"] . "@" . $hostname, "data_subject" => $subject, "data_location" => $row["location"], "data_description" => $description, "data_start" => $start, "data_end" => $finish, "data_allday" => $allday, "data_type" => $row["type"], "ical" => $ical, "ical_size" => strlen($ical), "ical_etag" => md5($ical));
 }

 public function ical($params)
 {
     $this->setView('ical.php');
     $official = isset($params['official']);
     $group_name = isset($params['group']) ? $params['group'] : null;
     $event_model = new Event_Model();
     $events = $event_model->getUpcoming($group_name, $official, false);
     // Creation of the iCal content
     $cache_entry = 'ical-' . (isset($group_name) ? $group_name : '') . '-' . ($official ? 'official' : 'non-official');
     $content = Cache::read($cache_entry);
     if (!$content) {
         require_once APP_DIR . 'classes/class.iCalcreator.php';
         $cal = new vcalendar();
         $cal->setConfig('unique_id', $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']);
         $cal->setProperty('method', 'PUBLISH');
         $cal->setProperty('x-wr-calname', $official ? __('EVENTS_TITLE_OFFICIAL') : __('EVENTS_TITLE_NONOFFICIAL'));
         $cal->setProperty('X-WR-CALDESC', '');
         $cal->setProperty('X-WR-TIMEZONE', date('e'));
         foreach ($events as $event) {
             $vevent = new vevent();
             $vevent->setProperty('dtstart', array('year' => (int) date('Y', $event['date_start']), 'month' => (int) date('n', $event['date_start']), 'day' => (int) date('j', $event['date_start']), 'hour' => (int) date('G', $event['date_start']), 'min' => (int) date('i', $event['date_start']), 'sec' => (int) date('s', $event['date_start'])));
             $vevent->setProperty('dtend', array('year' => (int) date('Y', $event['date_end']), 'month' => (int) date('n', $event['date_end']), 'day' => (int) date('j', $event['date_end']), 'hour' => (int) date('G', $event['date_end']), 'min' => (int) date('i', $event['date_end']), 'sec' => (int) date('s', $event['date_end'])));
             $vevent->setProperty('summary', $event['title']);
             $vevent->setProperty('description', $event['message']);
             $cal->setComponent($vevent);
         }
         $content = $cal->createCalendar();
         Cache::write($cache_entry, $content, 2 * 3600);
     }
     $this->set('content', $content);
 }

 public function onPreInit($param)
 {
     if (isset($_GET['idtm_termin'])) {
         $TerminRecord = TerminRecord::finder()->findByPK($_GET['idtm_termin']);
     } else {
         echo "Kein Termin";
         exit;
     }
     date_default_timezone_set('Europe/Berlin');
     $v = new vcalendar();
     // initiate new CALENDAR
     $v->setConfig('pliq_hpartner', 'planlogiq.com');
     // config with site domain
     $e = new vevent();
     // initiate a new EVENT
     $SDateArray = explode('-', $TerminRecord->ter_startdate);
     $EDateArray = explode('-', $TerminRecord->ter_enddate);
     $STimeArray = explode(':', $TerminRecord->ter_starttime);
     $ETimeArray = explode(':', $TerminRecord->ter_endtime);
     $e->setProperty('categories', ActivityRecord::finder()->findByPK($TerminRecord->idtm_activity)->act_name);
     // catagorize
     $e->setProperty('dtstart', $SDateArray[0], $SDateArray[1], $SDateArray[2], $STimeArray[0], $STimeArray[1], 00);
     // 24 dec 2006 19.30
     $e->setProperty('dtend', $EDateArray[0], $EDateArray[1], $EDateArray[2], $ETimeArray[0], $ETimeArray[1], 00);
     // 24 dec 2006 19.30
     //$e->setProperty( 'duration'
     //               , 0, 0, 3 );                    // 3 hours
     $e->setProperty('summary', $TerminRecord->ter_betreff);
     // describe the event
     $e->setProperty('description', $TerminRecord->ter_descr);
     // describe the event
     $e->setProperty('location', $TerminRecord->ter_ort);
     // locate the event
     $v->addComponent($e);
     // add component to calendar
     /* alt. production */
     // $v->returnCalendar();                       // generate and redirect output to user browser
     /* alt. dev. and test */
     $str = $v->createCalendar();
     // generate and get output in string, for testing?
     $this->getResponse()->appendHeader("Content-Type:" . $this->header);
     $this->getResponse()->appendHeader("Content-Disposition:inline;filename=" . $this->docName . '.' . $this->ext);
     echo $str;
     $writer->save('php://output');
     exit;
 }

 function display($tpl = null)
 {
     $mainframe = JFactory::getApplication();
     $option = JRequest::getCmd('option');
     $model = $this->getModel();
     $results = $model->getResults(JRequest::getVar('p', 0, '', 'int'));
     $project = $model->getProject(JRequest::getVar('p', 0, '', 'int'));
     $document = JFactory::getDocument();
     $v = new vcalendar();
     // initiate new CALENDAR
     $v->setConfig('project' . $project->id, $mainframe->getCfg('live_site'));
     // config with site domain
     $v->setProperty('X-WR-CALNAME', $project->name);
     // set some X-properties, name, content.. .
     $v->setProperty('X-WR-CALDESC', JText::_('COM_TRACKS_Project_calendar'));
     $v->setConfig("filename", 'project_' . $project->id . '.ics');
     foreach ((array) $results as $result) {
         if (!ereg('([0-9]{4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})', $result->start_date, $start_date)) {
             continue;
         }
         $e = new vevent();
         // initiate a new EVENT
         $e->setProperty('categories', $project->name);
         // catagorize
         $e->setProperty('dtstart', $start_date[1], $start_date[2], $start_date[3], $start_date[4], $start_date[5], $start_date[6]);
         if (ereg('([0-9]{4})-([0-9]{1,2})-([0-9]{1,2}) ([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})', $result->end_date, $end_date)) {
             $e->setProperty('dtend', $end_date[1], $end_date[2], $end_date[3], $end_date[4], $end_date[5], $end_date[6]);
         }
         $description = array();
         $description[] = $result->round_name;
         if ($result->winner && $result->winner->last_name) {
             $winner = JText::_('COM_TRACKS_Winner') . $result->winner->first_name . ' ' . $result->winner->last_name;
             if ($result->winner->team_name) {
                 $winner .= ' (' . $result->winner->team_name . ')';
             }
             $description[] = $winner;
         }
         $description = implode('\\n', $description);
         $e->setProperty('description', $description);
         // describe the event
         $e->setProperty('location', $result->round_name);
         // locate the event
         $v->addComponent($e);
         // add component to calendar
     }
     /* alt. production */
     // $v->returnCalendar();                       // generate and redirect output to user browser
     /* alt. dev. and test */
     $str = $v->createCalendar();
     // generate and get output in string, for testing?
     //      echo $str;return;
     $v->returnCalendar();
 }

 /**
  * The file contents is looked at and events are created here.
  * @param string $fileContents
  * @return integer The number of events saved.
  */
 public function setEventsFromICal($fullDir, $fullFileName, $personId)
 {
     //start parse of local file
     $v = new vcalendar();
     // set directory
     $v->setConfig('directory', $fullDir);
     // set file name
     $v->setConfig('filename', $fullFileName);
     $v->parse();
     $count = 0;
     foreach ($v->components as $component => $info) {
         # get first vevent
         $comp = $v->getComponent("VEVENT");
         $summary_array = $comp->getProperty("summary", 1, TRUE);
         //echo "Event: ", $summary_array["value"], "\n";
         $dtstart_array = $comp->getProperty("dtstart", 1, TRUE);
         $dtstart = $dtstart_array["value"];
         $startDate = "{$dtstart["year"]}-{$dtstart["month"]}-{$dtstart["day"]}";
         $startTime = "{$dtstart["hour"]}:{$dtstart["min"]}:{$dtstart["sec"]}";
         $dtend_array = $comp->getProperty("dtend", 1, TRUE);
         $dtend = $dtend_array["value"];
         $endDate = "{$dtend["year"]}-{$dtend["month"]}-{$dtend["day"]}";
         $endTime = "{$dtend["hour"]}:{$dtend["min"]}:{$dtend["sec"]}";
         //echo "start: ",  $startDate,"T",$startTime, "\n";
         //echo "end: ",  $endDate,"T",$endTime, "\n";
         $location_array = $comp->getProperty("location", 1, TRUE);
         //echo "Location: ", $location_array["value"], "\n <br>";
         //TODO: Check that this event does not already exist.
         $event = new Event();
         $event->setPersonId($personId);
         $event->setName($summary_array["value"]);
         $event->setStartTime($startDate . "T" . $startTime);
         $event->setEndTime($endDate . "T" . $endTime);
         $event->setLocation($location_array["value"]);
         $event->save();
         $count++;
     }
     return $count;
 }

 function create($name, $description = '', $tz = 'US/Pacific')
 {
     $v = new vcalendar();
     $v->setConfig('unique_id', $name . '.' . 'yourdomain.com');
     $v->setProperty('method', 'PUBLISH');
     $v->setProperty('x-wr-calname', $name . ' Calendar');
     $v->setProperty("X-WR-CALDESC", $description);
     $v->setProperty("X-WR-TIMEZONE", $tz);
     $this->calendar = $v;
 }

 function exportar($aObj = array(), $directo_a_browser = 1)
 {
     if (is_array($aObj)) {
         $v = new vcalendar();
         $v->setConfig('DIRECTORY', sfConfig::get('sf_cache_dir'));
         foreach ($aObj as $link_evento) {
             if ($link_evento->getEvento()) {
                 $e = new vevent();
                 $e->setProperty('DESCRIPTION', '');
                 $e->setProperty('SUMMARY', $link_evento->getEvento()->getTitulo());
                 $e->setProperty('class', 'PUBLIC');
                 $aFechaInicio = getdate(strtotime($link_evento->getEvento()->getFechaInicio()));
                 $e->setProperty('dtstart', $aFechaInicio['year'], $aFechaInicio['mon'], $aFechaInicio['mday'], $aFechaInicio['hours'], $aFechaInicio['minutes'], 0);
                 $aFechaFin = getdate(strtotime($link_evento->getEvento()->getFechaFin()));
                 $e->setProperty('dtend', $aFechaFin['year'], $aFechaFin['mon'], $aFechaFin['mday'], $aFechaFin['hours'], $aFechaFin['minutes'], 0);
                 $e->setProperty('dtstamp', gmdate('Ymd\\THi00\\Z'));
                 if ($link_evento->getEvento()->getFrecuencia()) {
                     $freq = $this->aFreq[$link_evento->getEvento()->getFrecuencia()];
                     $interval = $link_evento->getEvento()->getFrecuenciaIntervalo();
                     $aRrule = array();
                     $aRrule['FREQ'] = $freq;
                     $aRrule['INTERVAL'] = $interval;
                     if ($freq == "WEEKLY") {
                         $aRrule['BYDAY'] = array_chunk(explode(",", $link_evento->getEvento()->getRecurrenciaDiasIcal()), 1);
                     }
                     if ($link_evento->getEvento()->getRecurrenciaFin() != "") {
                         if (is_numeric($link_evento->getEvento()->getRecurrenciaFin())) {
                             $aRrule['COUNT'] = $link_evento->getEvento()->getRecurrenciaFin();
                         } else {
                             $aRrule['UNTIL'] = gmdate('Ymd\\THi00\\Z', strtotime($link_evento->getEvento()->getRecurrenciaFin()));
                         }
                     }
                     $e->setProperty('rrule', $aRrule);
                 }
                 $v->addComponent($e);
             }
         }
         if ($directo_a_browser == 1) {
             $v->returnCalendar();
         } else {
             $v->saveCalendar();
             return $v->getConfig('filename');
         }
     } else {
         $error = 'No envío un array para la exportación';
         throw new Exception($error);
     }
 }

 /**
  * Export an event as iCalendar (ics)
  */
 public function generateIcal($eventID)
 {
     $ical = new \vcalendar();
     $ical->setConfig('ical_' . $this->id);
     $ical->setProperty('method', 'PUBLISH');
     $ical->setProperty("X-WR-TIMEZONE", $GLOBALS['TL_CONFIG']['timeZone']);
     $time = time();
     // Get event
     $objEvent = \CalendarEventsModel::findByPk($eventID);
     $vevent = new \vevent();
     if ($objEvent->addTime) {
         $vevent->setProperty('dtstart', array('year' => date('Y', $objEvent->startTime), 'month' => date('m', $objEvent->startTime), 'day' => date('d', $objEvent->startTime), 'hour' => date('H', $objEvent->startTime), 'min' => date('i', $objEvent->startTime), 'sec' => 0));
         $vevent->setProperty('dtend', array('year' => date('Y', $objEvent->endTime), 'month' => date('m', $objEvent->endTime), 'day' => date('d', $objEvent->endTime), 'hour' => date('H', $objEvent->endTime), 'min' => date('i', $objEvent->endTime), 'sec' => 0));
     } else {
         $vevent->setProperty('dtstart', date('Ymd', $objEvent->startDate), array('VALUE' => 'DATE'));
         if (!strlen($objEvent->endDate) || $objEvent->endDate == 0) {
             $vevent->setProperty('dtend', date('Ymd', $objEvent->startDate + 24 * 60 * 60), array('VALUE' => 'DATE'));
         } else {
             $vevent->setProperty('dtend', date('Ymd', $objEvent->endDate + 24 * 60 * 60), array('VALUE' => 'DATE'));
         }
     }
     $vevent->setProperty('summary', $objEvent->title, ENT_QUOTES, 'UTF-8');
     $vevent->setProperty('description', strip_tags($objEvent->details ? $objEvent->details : $objEvent->teaser));
     if ($objEvent->recurring) {
         $count = 0;
         $arrRepeat = deserialize($objEvent->repeatEach);
         $arg = $arrRepeat['value'];
         $unit = $arrRepeat['unit'];
         if ($arg == 1) {
             $unit = substr($unit, 0, -1);
         }
         $strtotime = '+ ' . $arg . ' ' . $unit;
         $newstart = strtotime($strtotime, $objEvent->startTime);
         $newend = strtotime($strtotime, $objEvent->endTime);
         $freq = 'YEARLY';
         switch ($arrRepeat['unit']) {
             case 'days':
                 $freq = 'DAILY';
                 break;
             case 'weeks':
                 $freq = 'WEEKLY';
                 break;
             case 'months':
                 $freq = 'MONTHLY';
                 break;
             case 'years':
                 $freq = 'YEARLY';
                 break;
         }
         $rrule = array('FREQ' => $freq);
         if ($objEvent->recurrences > 0) {
             $rrule['count'] = $objEvent->recurrences;
         }
         if ($arg > 1) {
             $rrule['INTERVAL'] = $arg;
         }
         $vevent->setProperty('rrule', $rrule);
     }
     /*
      * begin module event_recurrences handling
      */
     if ($objEvent->repeatExecptions) {
         $arrSkipDates = deserialize($objEvent->repeatExecptions);
         foreach ($arrSkipDates as $skipDate) {
             $exTStamp = strtotime($skipDate);
             $exdate = array(array(date('Y', $exTStamp), date('m', $exTStamp), date('d', $exTStamp), date('H', $objEvent->startTime), date('i', $objEvent->startTime), date('s', $objEvent->startTime)));
             $vevent->setProperty('exdate', $exdate);
         }
     }
     /*
      * end module event_recurrences handling
      */
     $ical->setComponent($vevent);
     $ical->setConfig("FILENAME", urlencode($objEvent->title) . ".ics");
     $ical->returnCalendar();
 }

 /**
  * Convert an event from a feed into a new Ai1ec_Event object and add it to
  * the calendar.
  *
  * @param Ai1ec_Event $event    Event object.
  * @param vcalendar   $calendar Calendar object.
  * @param bool        $export   States whether events are created for export.
  * @param array       $params   Additional parameters for export.
  *
  * @return void
  */
 protected function _insert_event_in_calendar(Ai1ec_Event $event, vcalendar $calendar, $export = false, array $params = array())
 {
     $tz = $this->_registry->get('date.timezone')->get_default_timezone();
     $e =& $calendar->newComponent('vevent');
     $uid = '';
     if ($event->get('ical_uid')) {
         $uid = addcslashes($event->get('ical_uid'), "\\;,\n");
     } else {
         $uid = $event->get_uid();
         $event->set('ical_uid', $uid);
         $event->save(true);
     }
     $e->setProperty('uid', $this->_sanitize_value($uid));
     $e->setProperty('url', get_permalink($event->get('post_id')));
     // =========================
     // = Summary & description =
     // =========================
     $e->setProperty('summary', $this->_sanitize_value(html_entity_decode(apply_filters('the_title', $event->get('post')->post_title), ENT_QUOTES, 'UTF-8')));
     $content = apply_filters('the_content', $event->get('post')->post_content);
     $content = str_replace(']]>', ']]>', $content);
     $content = html_entity_decode($content, ENT_QUOTES, 'UTF-8');
     // Prepend featured image if available.
     $size = null;
     $avatar = $this->_registry->get('view.event.avatar');
     if ($img_url = $avatar->get_post_thumbnail_url($event, $size)) {
         $content = '<div class="ai1ec-event-avatar alignleft timely"><img src="' . esc_attr($img_url) . '" width="' . $size[0] . '" height="' . $size[1] . '" /></div>' . $content;
     }
     if (isset($params['no_html']) && $params['no_html']) {
         $e->setProperty('description', $this->_sanitize_value(strip_tags(strip_shortcodes($content))));
         if (!empty($content)) {
             $html_content = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">\\n' . '<HTML>\\n<HEAD>\\n<TITLE></TITLE>\\n</HEAD>\\n<BODY>' . $content . '</BODY></HTML>';
             $e->setProperty('X-ALT-DESC', $this->_sanitize_value($html_content), array('FMTTYPE' => 'text/html'));
             unset($html_content);
         }
     } else {
         $e->setProperty('description', $this->_sanitize_value($content));
     }
     $revision = (int) current(array_keys(wp_get_post_revisions($event->get('post_id'))));
     $e->setProperty('sequence', $revision);
     // =====================
     // = Start & end times =
     // =====================
     $dtstartstring = '';
     $dtstart = $dtend = array();
     if ($event->is_allday()) {
         $dtstart['VALUE'] = $dtend['VALUE'] = 'DATE';
         // For exporting all day events, don't set a timezone
         if ($tz && !$export) {
             $dtstart['TZID'] = $dtend['TZID'] = $tz;
         }
         // For exportin' all day events, only set the date not the time
         if ($export) {
             $e->setProperty('dtstart', $this->_sanitize_value($event->get('start')->format('Ymd')), $dtstart);
             $e->setProperty('dtend', $this->_sanitize_value($event->get('end')->format('Ymd')), $dtend);
         } else {
             $e->setProperty('dtstart', $this->_sanitize_value($event->get('start')->format("Ymd\\T")), $dtstart);
             $e->setProperty('dtend', $this->_sanitize_value($event->get('end')->format("Ymd\\T")), $dtend);
         }
     } else {
         if ($tz) {
             $dtstart['TZID'] = $dtend['TZID'] = $tz;
         }
         // This is used later.
         $dtstartstring = $event->get('start')->format("Ymd\\THis");
         $e->setProperty('dtstart', $this->_sanitize_value($dtstartstring), $dtstart);
         $e->setProperty('dtend', $this->_sanitize_value($event->get('end')->format("Ymd\\THis")), $dtend);
     }
     // ========================
     // = Latitude & longitude =
     // ========================
     if (floatval($event->get('latitude')) || floatval($event->get('longitude'))) {
         $e->setProperty('geo', $event->get('latitude'), $event->get('longitude'));
     }
     // ===================
     // = Venue & address =
     // ===================
     if ($event->get('venue') || $event->get('address')) {
         $location = array($event->get('venue'), $event->get('address'));
         $location = array_filter($location);
         $location = implode(' @ ', $location);
         $e->setProperty('location', $this->_sanitize_value($location));
     }
     $categories = array();
     $language = get_bloginfo('language');
     foreach ($this->_taxonomy_model->get_post_categories($event->get('post_id')) as $cat) {
         $categories[] = $cat->name;
     }
     $e->setProperty('categories', implode(',', $categories), array("LANGUAGE" => $language));
     $tags = array();
//.........这里部分代码省略.........

$e->setProperty('categories', 'PERSONAL');
$e->setProperty('categories', 'SPECIAL OCCASION');
$e->setProperty('rrule', array('FREQ' => 'YEARLY'));
echo nl2br($v->createCalendar());
// generate and get output in string, for testing?
echo "<br />\n\n";
/*
 *   BEGIN:VTODO
 *   UID:19970901T130000Z-123404@host.com
 *   DTSTAMP:19970901T1300Z
 *   DTSTART:19970415T133000Z
 *   DUE:19970416T045959Z
 *   SUMMARY:1996 Income Tax Preparation
 *   CLASS:CONFIDENTIAL
 *   CATEGORIES:FAMILY,FINANCE
 *   PRIORITY:1
 *   STATUS:NEEDS-ACTION
 *   END:VTODO
 */
$c = new vcalendar(array('unique_id' => 'kigkonsult.se'));
$t =& $c->newComponent('vtodo');
$t->setProperty('dtstart', '19970415T133000 GMT');
$t->setProperty('due', '19970416T045959 GMT');
$t->setProperty('summary', '1996 Income Tax Preparation');
$t->setProperty('class', 'CONFIDENTIAL');
$t->setProperty('categories', 'FAMILY');
$t->setProperty('categories', 'FINANCE');
$t->setProperty('priority', 1);
$t->setProperty('status', 'NEEDS-ACTION');
echo nl2br($v->createCalendar());
// generate and get output in string, for testing?

 function _get_events_url(&$events, $url, $date)
 {
     $v = new vcalendar();
     $v->setConfig('unique_id', 'barchat');
     $v->setProperty('method', 'PUBLISH');
     $v->setProperty("x-wr-calname", "Calendar Sample");
     $v->setProperty("X-WR-CALDESC", "Calendar Description");
     $v->setProperty("X-WR-TIMEZONE", "America/New_York");
     $v->setConfig('url', $url);
     try {
         $v->parse();
     } catch (exception $e) {
     }
     $v->sort();
     $m = $date->format('n');
     $d = $date->format('j');
     $y = $date->format('Y');
     $eventArray = $v->selectComponents($y, $m, 1, $y, $m, 31);
     foreach ((array) $eventArray as $yearkey => $yeararray) {
         foreach ((array) $yeararray as $monthkey => $montharray) {
             foreach ((array) $montharray as $daykey => $dayarray) {
                 foreach ((array) $dayarray as $eventnumber => $event) {
                     //echo "{$y}-{$m}-{$daykey} [{$eventnumber}]: ";
                     $time = $event->dtstart['value'];
                     $tz = $event->dtstart['params']['TZID'] == '' ? 'America/New_York' : $event->dtstart['params']['TZID'];
                     if ($time['tz'] == 'Z') {
                         $tz = 'GMT';
                     }
                     if (isset($event->dtstart['params']['VALUE']) && $event->dtstart['params']['VALUE'] == 'DATE') {
                         $allday = new DateTime("{$time['year']}-{$time['month']}-{$time['day']}", new DateTimeZone($tz));
                         $allday->setTimezone(new DateTimeZone('America/New_York'));
                         $d = sprintf('%04d-%02d-%02d', $y, $m, $daykey);
                         if (!is_array($events[$d])) {
                             $events[$d] = array();
                         }
                         $alldayint = intval($allday->format('U'));
                         while (isset($events[$d][$alldayint])) {
                             $alldayint++;
                         }
                         $events[$d][$alldayint] = '<span class="calendartime">All Day</span> ' . trim($event->summary['value']);
                         //var_dump(date('r', $allday) . ' = ' . $allday);
                         //var_dump($event->summary['value']);
                     } else {
                         if (isset($event->xprop['X-CURRENT-DTSTART'])) {
                             $dt = new DateTime($event->xprop['X-CURRENT-DTSTART']['value'], new DateTimeZone($tz));
                         } else {
                             $dt = new DateTime("{$time['year']}-{$time['month']}-{$time['day']} {$time['hour']}:{$time['min']}:{$time['sec']}", new DateTimeZone($tz));
                         }
                         $dt->setTimezone(new DateTimeZone('America/New_York'));
                         if (isset($event->xprop['X-CURRENT-DTEND'])) {
                             $dte = new DateTime($event->xprop['X-CURRENT-DTEND']['value'], new DateTimeZone($tz));
                         } else {
                             $timee = $event->dtstart['value'];
                             $dte = new DateTime("{$timee['year']}-{$timee['month']}-{$timee['day']} {$timee['hour']}:{$timee['min']}:{$timee['sec']}", new DateTimeZone($tz));
                         }
                         $dte->setTimezone(new DateTimeZone('America/New_York'));
                         if (!is_array($events[$d])) {
                             $events[$d] = array();
                         }
                         $d = sprintf('%04d-%02d-%02d', $y, $m, $daykey);
                         $daytime = $dt->format('U');
                         while (isset($events[$d][$daytime])) {
                             $daytime++;
                         }
                         if ($dt->format('g:ia') != $dte->format('g:ia')) {
                             $events[$d][$daytime] = '<span class="calendartime">' . $dt->format('g:ia') . ' - ' . $dte->format('g:ia') . '</span> ' . trim($event->summary['value']);
                         } else {
                             $events[$d][$daytime] = '<span class="calendartime">' . $dt->format('g:ia') . '</span> ' . trim($event->summary['value']);
                         }
                         //var_dump($event->dtstart);
                         //var_dump($event->summary['value']);
                         //var_dump($dt->format('r'));
                         //var_dump($event);
                     }
                 }
             }
         }
     }
 }

 /**
  *  Generate ical file content
  *
  * @param $who             user ID
  * @param $who_group       group ID
  * @param $limititemtype   itemtype only display this itemtype (default '')
  *
  * @return icalendar string
  **/
 static function generateIcal($who, $who_group, $limititemtype = '')
 {
     global $CFG_GLPI;
     if ($who === 0 && $who_group === 0) {
         return false;
     }
     include_once GLPI_ROOT . "/lib/icalcreator/iCalcreator.class.php";
     $v = new vcalendar();
     if (!empty($CFG_GLPI["version"])) {
         $v->setConfig('unique_id', "GLPI-Planning-" . trim($CFG_GLPI["version"]));
     } else {
         $v->setConfig('unique_id', "GLPI-Planning-UnknownVersion");
     }
     $tz = date_default_timezone_get();
     $v->setConfig('TZID', $tz);
     $v->setProperty("method", "PUBLISH");
     $v->setProperty("version", "2.0");
     $v->setProperty("X-WR-TIMEZONE", $tz);
     $xprops = array("X-LIC-LOCATION" => $tz);
     iCalUtilityFunctions::createTimezone($v, $tz, $xprops);
     $v->setProperty("x-wr-calname", "GLPI-" . $who . "-" . $who_group);
     $v->setProperty("calscale", "GREGORIAN");
     $interv = array();
     $begin = time() - MONTH_TIMESTAMP * 12;
     $end = time() + MONTH_TIMESTAMP * 12;
     $begin = date("Y-m-d H:i:s", $begin);
     $end = date("Y-m-d H:i:s", $end);
     $params = array('who' => $who, 'who_group' => $who_group, 'begin' => $begin, 'end' => $end);
     $interv = array();
     if (empty($limititemtype)) {
         foreach ($CFG_GLPI['planning_types'] as $itemtype) {
             $interv = array_merge($interv, $itemtype::populatePlanning($params));
         }
     } else {
         $interv = $limititemtype::populatePlanning($params);
     }
     if (count($interv) > 0) {
         foreach ($interv as $key => $val) {
             $vevent = new vevent();
             //initiate EVENT
             if (isset($val['itemtype'])) {
                 if (isset($val[getForeignKeyFieldForItemType($val['itemtype'])])) {
                     $vevent->setProperty("uid", $val['itemtype'] . "#" . $val[getForeignKeyFieldForItemType($val['itemtype'])]);
                 } else {
                     $vevent->setProperty("uid", "Other#" . $key);
                 }
             } else {
                 $vevent->setProperty("uid", "Other#" . $key);
             }
             $vevent->setProperty("dstamp", $val["begin"]);
             $vevent->setProperty("dtstart", $val["begin"]);
             $vevent->setProperty("dtend", $val["end"]);
             if (isset($val["tickets_id"])) {
                 $vevent->setProperty("summary", sprintf(__('Ticket #%1$s %2$s'), $val["tickets_id"], $val["name"]));
             } else {
                 if (isset($val["name"])) {
                     $vevent->setProperty("summary", $val["name"]);
                 }
             }
             if (isset($val["content"])) {
                 $text = $val["content"];
                 // be sure to replace nl by \r\n
                 $text = preg_replace("/<br( [^>]*)?" . ">/i", "\r\n", $text);
                 $text = Html::clean($text);
                 $vevent->setProperty("description", $text);
             } else {
                 if (isset($val["name"])) {
                     $text = $val["name"];
                     // be sure to replace nl by \r\n
                     $text = preg_replace("/<br( [^>]*)?" . ">/i", "\r\n", $text);
                     $text = Html::clean($text);
                     $vevent->setProperty("description", $text);
                 }
             }
             if (isset($val["url"])) {
                 $vevent->setProperty("url", $val["url"]);
             }
             $v->setComponent($vevent);
         }
     }
     $v->sort();
     //       $v->parse();
     return $v->returnCalendar();
 }

 function display($tpl = null)
 {
     // Get a reference of the page instance in joomla
     $document = JFactory::getDocument();
     $model = $this->getModel();
     $project =& $model->getProject();
     $config = $model->getTemplateConfig($this->getName());
     if (isset($project)) {
         $this->assignRef('project', $project);
         $this->assignRef('overallconfig', $model->getOverallConfig());
         $this->assignRef('config', $this->overallconfig);
         $this->assignRef('teams', $model->getTeamsIndexedByPtid());
         $this->assignRef('matches', $model->getMatches($config));
     }
     // load a class that handles ical formats.
     require_once JLG_PATH_SITE . DS . 'helpers' . DS . 'iCalcreator.class.php';
     // create a new calendar instance
     $v = new vcalendar();
     foreach ($this->matches as $match) {
         $hometeam = $this->teams[$match->projectteam1_id];
         $home = sprintf('%s', $hometeam->name);
         $guestteam = $this->teams[$match->projectteam2_id];
         $guest = sprintf('%s', $guestteam->name);
         $summary = $project->name . ': ' . $home . ' - ' . $guest;
         //  check if match gots a date, if not it will not be included
         //  in ical
         if (!strstr($match->match_date, "0000-00-00")) {
             $syear = JHTML::date($match->match_date, "%Y");
             $sday = JHTML::date($match->match_date, "%d");
             $smonth = JHTML::date($match->match_date, "%m");
             $shour = JHTML::date($match->match_date, "%H");
             $smin = JHTML::date($match->match_date, "%M");
             //$start	= JHTML::date($match->match_date, "%Y-%m-%d %H:%M:%S" );
             $start = strftime("%Y-%m-%d %H:%M:%S", strtotime($match->match_date));
             $start_oldphpversion = array('year' => $syear, 'month' => $smonth, 'day' => $sday, 'hour' => $shour, 'min' => $smin, 'sec' => 0);
             $time_to_ellapse = $project->halftime * ($project->game_parts - 1) + $project->game_regular_time;
             $endtime = JoomleagueHelper::getTimestamp($match->match_date) + $time_to_ellapse * 60;
             $year = JHTML::date($endtime, "%Y");
             $day = JHTML::date($endtime, "%d");
             $month = JHTML::date($endtime, "%m");
             $hour = JHTML::date($endtime, "%H");
             $min = JHTML::date($endtime, "%M");
             //$end		= JHTML::date($endtime, "%Y-%m-%d %H:%M:%S" );
             $end = strftime("%Y-%m-%d %H:%M:%S", $endtime);
             $end_oldphpversion = array('year' => $year, 'month' => $month, 'day' => $day, 'hour' => $hour, 'min' => $min, 'sec' => 0);
             // check if exist a playground in match or team or club
             if ($match->playground_id != "") {
                 $stringlocation = $match->playground_address . ", " . $match->playground_zipcode . " " . $match->playground_city;
                 $stringname = $match->playground_name;
             } else {
                 if ($match->team_playground_id != "") {
                     $stringlocation = $match->team_playground_address . ", " . $match->team_playground_zipcode . " " . $match->team_playground_city;
                     $stringname = $match->team_playground_name;
                 } elseif ($match->club_playground_id != "") {
                     $stringlocation = $match->club_playground_address . ", " . $match->club_playground_zipcode . " " . $match->club_playground_city;
                     $stringname = $match->club_playground_name;
                 }
             }
             $location = $stringlocation;
             //if someone want to insert more in description here is the place
             $description = $stringname;
             // create an event and insert it in calendar
             $vevent = new vevent();
             $vevent->setProperty("dtstart", $start, array("TZID" => $project->timezone));
             $vevent->setProperty("dtend", $end, array("TZID" => $project->timezone));
             $vevent->setProperty('LOCATION', $location);
             $vevent->setProperty('summary', $summary);
             $vevent->setProperty('description', $description);
             $v->setComponent($vevent);
         }
     }
     $v->returnCalendar();
     // exit before display
     //		parent::display( $tpl );
 }