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<?php /** * EasyPeasyICS Simple ICS/vCal data generator. * @author Marcus Bointon <phpmailer@synchromedia.co.uk> * @author Manuel Reinhard <manu@sprain.ch> * * Built with inspiration from * http://stackoverflow.com/questions/1463480/how-can-i-use-php-to-dynamically-publish-an-ical-file-to-be-read-by-google-calend/1464355#1464355 * History: * 2010/12/17 - Manuel Reinhard - when it all started * 2014 PHPMailer project becomes maintainer */ /** * Class EasyPeasyICS. * Simple ICS data generator * @package phpmailer * @subpackage easypeasyics */ class EasyPeasyICS { /** * The name of the calendar * @var string */ protected $calendarName; /** * The array of events to add to this calendar * @var array */ protected $events = array(); /** * Constructor * @param string $calendarName */ public function __construct($calendarName = "") { $this->calendarName = $calendarName; } /** * Add an event to this calendar. * @param string $start The start date and time as a unix timestamp * @param string $end The end date and time as a unix timestamp * @param string $summary A summary or title for the event * @param string $description A description of the event * @param string $url A URL for the event * @param string $uid A unique identifier for the event - generated automatically if not provided * @return array An array of event details, including any generated UID */ public function addEvent($start, $end, $summary = '', $description = '', $url = '', $uid = '') { if (empty($uid)) { $uid = md5(uniqid(mt_rand(), true)) . '@EasyPeasyICS'; } $event = array( 'start' => gmdate('Ymd', $start) . 'T' . gmdate('His', $start) . 'Z', 'end' => gmdate('Ymd', $end) . 'T' . gmdate('His', $end) . 'Z', 'summary' => $summary, 'description' => $description, 'url' => $url, 'uid' => $uid ); $this->events[] = $event; return $event; } /** * @return array Get the array of events. */ public function getEvents() { return $this->events; } /** * Clear all events. */ public function clearEvents() { $this->events = array(); } /** * Get the name of the calendar. * @return string */ public function getName() { return $this->calendarName; } /** * Set the name of the calendar. * @param $name */ public function setName($name) { $this->calendarName = $name; } /** * Render and optionally output a vcal string. * @param bool $output Whether to output the calendar data directly (the default). * @return string The complete rendered vlal */ public function render($output = true) { //Add header $ics = 'BEGIN:VCALENDAR METHOD:PUBLISH VERSION:2.0 X-WR-CALNAME:' . $this->calendarName . ' PRODID:-//hacksw/handcal//NONSGML v1.0//EN'; //Add events foreach ($this->events as $event) { $ics .= ' BEGIN:VEVENT UID:' . $event['uid'] . ' DTSTAMP:' . gmdate('Ymd') . 'T' . gmdate('His') . 'Z DTSTART:' . $event['start'] . ' DTEND:' . $event['end'] . ' SUMMARY:' . str_replace("\n", "\\n", $event['summary']) . ' DESCRIPTION:' . str_replace("\n", "\\n", $event['description']) . ' URL;VALUE=URI:' . $event['url'] . ' END:VEVENT'; } //Add footer $ics .= ' END:VCALENDAR'; if ($output) { //Output $filename = $this->calendarName; //Filename needs quoting if it contains spaces if (strpos($filename, ' ') !== false) { $filename = '"'.$filename.'"'; } header('Content-type: text/calendar; charset=utf-8'); header('Content-Disposition: inline; filename=' . $filename . '.ics'); echo $ics; } return $ics; } }