Naelson Gonçalves Saraiva

<?php
namespace MyABSInterface;
interface template
{
    public function getVideo($type);
}
namespace MyABS;
use MyABSInterface;
class Abstracted implements \MyABSInterface\template
{
    public function getVideo($type)
    {
        switch ($type)
        {
            case 'mp3':
                echo "mp3";
            break;
            case 'mp4':
                echo "mp4";
            break;
        }
    }
}
namespace MyVoice;
use MyABS;
class VoidChat extends \MyABS\Abstracted
{
    function __construct()
    {
        $this->showVoice();
    }
    private function showVoice()
    {
        $this->getVideo("mp3");
    }
}

namespace display;
use MyVoice;
class Showlive extends \MyVoice\VoidChat
{
    function __construct()
    {
        new \MyVoice\VoidChat();
        $this->showVideo();
    }
    public function showVideo()
    {
        $this->getVideo("mp4");
        return $this;
    }
    public function showVoice()
    {
        echo "OLA GELERA!";
    }
}
?>

<?php
use display;
$callSpeak = new \display\Showlive();
$callSpeak->showVoice();