PHP code example of horde / itip

1. Go to this page and download the library: Download horde/itip library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

horde / itip example snippets


use Horde\Itip\ItipMessage;
use Horde\Itip\ItipProcessor;
use Horde\Itip\NullCalendarState;
use Horde\Itip\DefaultSchedulingPolicy;
use Horde\Itip\Change\CreateEvent;
use Horde\Itip\Change\UpdateEvent;

$processor = new ItipProcessor(
    new MyCalendarState($calendarBackend),  // implements CalendarState
    new DefaultSchedulingPolicy(),
);

$message = ItipMessage::fromCalendar($vcalendar, '[email protected]');
$result = $processor->process($message);

if ($result->hasConflicts()) {
    // Handle conflicts (outdated sequence, missing properties, etc.)
    foreach ($result->conflicts as $conflict) { ... }
    return;
}

// Apply proposed changes
foreach ($result->changes as $change) {
    match (true) {
        $change instanceof CreateEvent => $backend->create($change->event),
        $change instanceof UpdateEvent => $backend->update($change->uid, $change->updatedEvent),
        // ...
    };
}

// Dispatch PSR-14 event for listeners (iMIP, logging, etc.)
$dispatcher->dispatch(new InvitationReceived($message, $result));


use Horde\Icalendar\Enum\ParticipationStatus;

$replyCal = $processor->generateReply(
    $existingEvent,
    '[email protected]',
    ParticipationStatus::from('ACCEPTED'),
);

// $replyCal is a VCalendar with METHOD=REPLY, ready for transport


use Horde\Itip\CalendarState;
use Horde\Icalendar\Calendar\Vevent;
use Horde\Icalendar\Enum\ParticipationStatus;

class KronolithCalendarState implements CalendarState
{
    public function findEventByUid(string $uid): ?Vevent { ... }
    public function getAttendeeStatus(string $uid, string $email): ?ParticipationStatus { ... }
    public function getEventSequence(string $uid): ?int { ... }
}