PHP code example of crypto_scythe / observ_r

1. Go to this page and download the library: Download crypto_scythe/observ_r 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/ */

crypto_scythe / observ_r example snippets



     class testSubject {

      use crypto_scythe\Observ_r\Subject;

      public function testObservers() {

        echo 'Notifying attached observers' . PHP_EOL;
        $this->subjectNotify( array( 'code' => true, 'text' => 'Lorem Ipsum dolor...' ) );

      }

    }

    class testObserverCode {

      use crypto_scythe\Observ_r\Observer;

      public function __construct( $subject ) {

        $this->observerAttach( $subject, 'operate' );

      }

      public function operate( $data ) {

        var_dump( $data['code'] );

      }

    }

    class testObserverText {

      use crypto_scythe\Observ_r\Observer;

      public function __construct( $subject ) {

        $this->observerAttach( $subject, 'operation' );

      }

      public function operation( $data ) {

        var_dump( $data['text'] );

      }

    }

    $subject = new testSubject();
    $observerText = new testObserverText( $subject );
    $observerCode = new testObserverCode( $subject );

    $subject->testObservers();
    // Each observer reacts to the update

    // Detach the first observer (Text)
    $observerText->observerDetach( $subject );

    $subject->testObservers();
    // Now only the remaining observer reacts (Code)