Shortcode: Custom loop using shortcodes

Add following snippet to “functions.php”

Usage

[query post_type=page posts_per_page=5]
Listing some pages:  
<h5>{TITLE}</h5>
<div>{CONTENT}</div>
<p><a href="{PERMALINK}">{COMMENT_COUNT} comments</a></p>
[/query]

Snippet

add_shortcode('query', 'shortcode_query');
function shortcode_query($atts, $content){
  extract(shortcode_atts(array( // a few default values
   'posts_per_page' => '10',
   'caller_get_posts' => 1,
   'post__not_in' => get_option('sticky_posts'),
  ), $atts));

  global $post;

  $posts = new WP_Query($atts);
  $output = '';
  if ($posts->have_posts())
    while ($posts->have_posts()):
      $posts->the_post();

      // these arguments will be available from inside $content
      $parameters = array(
        'PERMALINK' => get_permalink(),
        'TITLE' => get_the_title(),
        'CONTENT' => get_the_content(),
        'COMMENT_COUNT' => $post->comment_count,
        'CATEGORIES' => get_the_category_list(', '),
        // add here more...
      );

      $finds = $replaces = array();
      foreach($parameters as $find => $replace):
        $finds[] = '{'.$find.'}';
        $replaces[] = $replace;
      endforeach;
      $output .= str_replace($finds, $replaces, $content);

    endwhile;
  else
    return; // no posts found
}

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <strike> <strong>