Anchor CMS. Display only selected categories on a page. Code to add in the custom page template.

page-selected-cats.php

<?php

  // allowCat contains all catergory ID that you want on your page
  $allowCat = array(2,3,4,5,6);

  function article_category_id() {
    if($category = Registry::prop('article', 'category')) {
      $categories = Registry::get('all_categories');
      return $categories[$category]->id;
    }
  }

function custom_posts_page() {
  // only run on the first call
  if( ! Registry::has('rwar_post_archive')) {
    // capture original article if one is set
    if($article = Registry::get('article')) {
      Registry::set('original_article', $article);
    }
  }

  if( ! $posts = Registry::get('rwar_post_archive')) {
    $posts = Post::where('status', '=', 'published')->get();

    Registry::set('rwar_post_archive', $posts = new Items($posts));
  }

  if($result = $posts->valid()) {
    // register single post
    Registry::set('article', $posts->current());

    // move to next
    $posts->next();
  }
  else {
    // back to the start
    $posts->rewind();

    // reset original article
    Registry::set('article', Registry::get('original_article'));

    // remove items
    Registry::set('rwar_post_archive', false);
  }

  return $result;
}

?>

<?php while(custom_posts_page()): ?>
  <?php foreach($allowCat as $cat): ?>
    <?php if(article_category_id() == $cat): ?>
      <li>
        <article class="wrap">
          <h1><a href="<?php echo article_url(); ?>" title="<?php echo article_title(); ?>"><?php echo article_title(); ?></a></h1>
          <p>
            <?php echo article_description(); ?>
          </p>
        </article>
      </li>
    <?php endif; ?>
  <?php endforeach; ?>
<?php endwhile; ?>

Hey bugsysop,
I'm using your custom_posts_page Function to retrieve a list of posts on a specific page. So far i'm getting older posts first. I want to return the latest post first but can't figure out how to reverse the order. Can you help me on this issue?