Post.php

<?php

$app = new TestApplication;
$app->run();

class TestApplication
{
    public function run()
    {

        $post = new Post("Tutorial membuat CRUD dengan Laravel: [youtube id=HmV4gXIkP6k]");
        echo $post->getHtmlContent();

        $post = new Post("Tutorial membuat CRUD dengan Laravel: [youtube id=HmV4gXIkP6k]" .
                         "Contoh kode bisa dilihat di bawah ini: [gist id=9fdb82372bd10b5627e0]");

        echo $post->getHtmlContent();

    }
}

class Post
{
    protected $content;

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

        $methods = get_class_methods($this);
        
        foreach ($methods as $method) {
            if ($method == '__construct' || $method == 'getHtmlContent') {
                continue;
            }
            
            $this->{$method}();
        }

    }

    public function getHtmlContent()
    {
        return $this->content;// YOUR CODE HERE
    }

    public function shortYoutube()
    {
        if (strpos($this->content, '[youtube id=')) { 
            return str_replace('number link', 'embeded link', $this->content);
        }
        
    }

    public function shortGist()
    {
        if (strpos($this->content, 'gist id=')) {
            return str_replace('number link', 'embeded link', $this->content);
        }
    }

    // JUST WRITE OTHER FUNCTION IF NEED TO TRANSLATE NEW SHORTTAG
}



// OR HERE, IF YOU REALLY NEED TO WRITE ANOTHER FUNCTION OR CLASS OR INTERFACE OR TRAIT