Easy Read | Simple Example Event Observer By Mozart PHP Component

Event_Component.md

_Mozart Event Component - Observer Pattern (https://github.com/FaizalPribadi/Event)

MessageEvent.php

use Mozart\Library\Event\EventDispatcher;
use Mozart\Library\Event\Event;

class Message
{
    protected $message;

    public function __construct($message)
    {
        $this->message = $message;
    }

    public function __toString()
    {
        return $this->message;
    }
}

class MessageEvent extends Event
{
    protected $message;

    public function __construct(Message $message)
    {
        $this->message = $message;
    }

    /**
     * @return Message
     */
    public function getMessage()
    {
        return $this->message;
    }
}

$dispatcher = new EventDispatcher();
$dispatcher->addListener('message.event', function (MessageEvent $event) {
        echo 'You have a new message '. $event->getMessage();
    });

$message = new Message('hello friend');
$event = new MessageEvent($message);

$dispatcher->dispatch('message.event', $event);

print_r(array(
        $dispatcher, $event, $message
    ));

Output.txt

# You have a new message hello friendArray


// Debug Dumper
(
    [0] => Mozart\Library\Event\EventDispatcher Object
        (
            [dispatcher:protected] => Array
                (
                    [message.event] => Array
                        (
                            [-1] => Array
                                (
                                    [0] => Closure Object
                                        (
                                            [parameter] => Array
                                                (
                                                    [$event] => <required>
                                                )

                                        )

                                )

                        )

                )

        )

    [1] => MessageEvent Object
        (
            [message:protected] => Message Object
                (
                    [message:protected] => hello friend
                )

            [event:protected] => 
            [stopPropagation:protected] => 
            [dispatcher:protected] => 
        )

    [2] => Message Object
        (
            [message:protected] => hello friend
        )

)

Usage_ClassLoader_Readme.md

_usage class-loader from mozart loader (https://github.com/FaizalPribadi/Loader#usage)