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PHP code example of michaelking0 / observers

1. Go to this page and download the library: Download michaelking0/observers 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/ */

michaelking0 / observers example snippets




namespace ACME;

use MichaelKing0\Observers\Interfaces\ObservableInterface;
use MichaelKing0\Observers\Traits\ObservableTrait;

class MySubject implements ObservableInterface
{
    use ObservableTrait;
}




namespace ACME;

use MichaelKing0\Observers\Interfaces\ObservableInterface;
use MichaelKing0\Observers\Traits\ObservableTrait;

class MySubject implements ObservableInterface
{
    use ObservableTrait;

    public function save()
    {
        $this->notify('SubjectSaved');
    }
}




namespace ACME;

use MichaelKing0\Observers\Interfaces\ObservableInterface;
use MichaelKing0\Observers\Interfaces\ObserverInterface;

class MyObserver implements ObserverInterface
{
    public function update($event, ObservableInterface $observable)
    {
        echo 'It works!';
    }
}


$subject = new MySubject();
$subject->attach('SubjectSaved', new MyObserver());