PHP code example of kornheiser / events

1. Go to this page and download the library: Download kornheiser/events 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/ */

kornheiser / events example snippets


use Kornheiser\Event\Event;

class NewMessageEvent implements Event {
    
    public function __construct(
        public string $text,
        public int $time,
        public string $senderMail
    ): void {}
}


use Kornheiser\Event\Handler;

class NewMessageHandler implements Handler {
    
    public function onHandle(Event $ev): void {
        var_dump($ev->text, $ev->time, $ev->senderMail);
    }
}


use Kornheiser\Event\CallableHandler;

$callableHandler = new CallableHandler(function(Event $ev) {
    echo $ev->senderMail . ": " . $ev->text;
});


use Kornheiser\Event\TargetedHandler;

$handler1 = new TargetedHandler(NewMessageEvent::class, new NewMessageHandler());
$handler2 = new TargetedHandler(NewMessageEvent::class, $callableHandler);


use Kornheiser\Event\EventManager;

$invoker = new EventManager();

$invoker->addHandler($handler1);
$invoker->addHandler($handler2);

$invoker->call(new NewMessageEvent(text: "hello world", time: time(), senderMail: "some programmer"));