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PHP Designing Interfaces in PHP Using Interfaces Implementing Interfaces

Thi Kim Hong Dinh
Thi Kim Hong Dinh
11,238 Points
Posted by Thi Kim Hong Dinh
Thi Kim Hong Dinh
11,238 Points

Set and retrieve details from interface

I can't pass this challenge. Please help... Thank you!!!

Treehouse.php 
<?php
class Treehouse implements Learnable
{   
    protected $title;

     public function setTitle($title) {
       $this->setTitle;
     }

     public function setContentType($type='video') {
       $this->setContentType; 
     }

    public function setLocation($loc) {
        $this->setLocation; 
    }
      public function getTitle() {
        $this->getTitle;
    }

    public function getContentType() {
        $this->type;
    }

    public function getLocation() {
        $this->location;
    }



}