PHP code example of utopia-php / cloudevents

1. Go to this page and download the library: Download utopia-php/cloudevents 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/ */

utopia-php / cloudevents example snippets




topia\CloudEvents\CloudEvent;

$event = new CloudEvent(
    type: 'com.example.user.created',
    source: 'https://example.com/user-service',
    id: uniqid(),
    subject: 'user-123',
    time: CloudEvent::now(),
    data: [
        'userId' => '123',
        'email' => '[email protected]',
        'name' => 'John Doe'
    ]
);


$eventArray = $event->toArray();
// Array with all set CloudEvent attributes; absent optional attributes are omitted


$eventData = [
    'specversion' => '1.0',
    'type' => 'com.example.user.created',
    'source' => 'https://example.com/user-service',
    'subject' => 'user-123',
    'id' => 'unique-id',
    'time' => '2025-11-07T10:00:00Z',
    'datacontenttype' => 'application/json',
    'data' => [
        'userId' => '123',
        'email' => '[email protected]'
    ]
];

$event = CloudEvent::fromArray($eventData);


$json = $event->toJson();

$event = CloudEvent::fromJson($json);


$event = new CloudEvent(
    type: 'com.example.user.created',
    source: 'https://example.com/user-service',
    id: uniqid(),
    extensions: [
        'traceparent' => '00-4bf92f3577b34da6a3ce929d0e0e4736-00f067aa0ba902b7-01',
        'sequence' => 42,
    ]
);

$event->extensions['traceparent'] ?? null; // '00-4bf9...'
$event->extensions;                        // all extension attributes


try {
    $event->validate();
    echo "Event is valid!";
} catch (InvalidArgumentException $e) {
    echo "Event validation failed: " . $e->getMessage();
}

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