1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
<?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;
}
}
|