Post.php

<?php

namespace Application\Model;

 class Post
 {
     public $id;
     public $title;
     public $description;
     public $post_date;

     //usado pelo TableGateway
     public function exchangeArray($data)
     {
         $this->id     = (!empty($data['id'])) ? $data['id'] : null;
         $this->title = (!empty($data['title'])) ? $data['title'] : null;
         $this->description  = (!empty($data['description'])) ? $data['description'] : null;
         $this->post_date  = (!empty($data['post_date'])) ? $data['post_date'] : null;
     }
 }