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