WB 2.11.0

<?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;

    }

}