Re: CakePHP Cache Help Needed

- rewrite this component as a helper
- use cached element http://book.cakephp.org/2.0/en/views.html#caching-elements
- done

If you want to keep your code as a component, use beforeRender() callback instead of beforeFilter(), example:

# app/Config/bootstrap.php
Cache::config('short', array(
    ....
    'duration' => '+15 minutes'
));

class AppController extends Controller {

    public function beforeRender() {
        $wordpress_posts = Cache::read('wordpress_posts', 'short');
        if (empty($wordpress_posts)) {
            $wordpress_posts = $this->Components->load('Wordpress')->getPosts();
            Cache::write('wordpress_posts', $wordpress_posts, 'short');
        }
        $this->set('wordpress_posts', $wordpress_posts);
   }
}

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