Simple controller

gistfile1.php

<?php
require __DIR__ . '/autoloader.php';

// without Pimple
$route = new Route();

$route->add('/blog/.+/.+', function($ownerId, $postId) {
  $db = new PDOSomething('user', 'pass', 'db'); // instantiate db
  $mapper = new BlogPostMapper($db);
  $controller = new BlogPostController($mapper);

  echo $controller->view($ownerId, $postId);
});

$route->submit();


// with Pimple
$route = new Route();
$container = new Container();

$route->add('/blog/.+/.+', function($ownerId, $postId) {
  $controller = $container['BlogPostController'];
  echo $controller->view($ownerId, $postId);
});

$route->submit();


// in another file
class Container extends Pimple {
  
  public function __construct(){
  
    $this['DB'] = $this->share(function($c){
      return new PDOSomething('user', 'pass', 'db'); 
    });
    
    $this['BlogPostMapper'] = function($c){
      return new BlogPostMapper($c['DB']);
    };
    
    $this['BlogPostController'] = function($c){
      return new BlogPostController($c['BlogPostMapper']);
    };
  }
  
}

// in another file
 
class BlogPostController {
  
  private $posts;
  
  public function __construct($mapper){
    $this->posts = $mapper;
  }
 
  
  public function show($ownerId, $postId){
    // do your sql query and write it into the following vars
    $post = $this->posts->find($ownerId, $postId);
    
    $content = $post->content;
    $title = $post->title;
    
    $menu = array(
        'entry1' => array(
            'link' => '/blog/2',
            'active' => true
        ),
    );
 
    // create template
    $tpl = new h2o('index.html');
    $args = array(
      'title' => $title,
      'content' => $content,
      'menu' => $menu
    );
    
    return $h2o->render($args);
  }
 
}

// in another file

class BlogPostMapper {

  private $db;
  
  public function __construct($db){
    $this->db = $db;
  }
  
  public function find($ownerId, $postId){
    $sql = 'SELECT * FROM posts WHERE owner = ? and id = ?';
    $result = $db->execute($sql, array($ownerId, $postId);
    
    $post = new Post();
    while($row = $result->fetchRow()){
      $post->title = $row['title'];
      $post->content = $row['content'];
    }
    
    return $post;
  }
  
  public function delete($id){
    $sql = 'DELETE FROM posts WHERE id = ?';
    $db->execute($sql, array($id);
  }

}

// in another file

class Post {
  public $title;
  public $content;
}