May 6, 2010

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Post Treatment – Show Related Posts Without a Plugin

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  • Using too many plugins on a WordPress installation usually slower the loading time of the site, especially when same can be achieved using a simple piece of code. Though its not always wise to use codes in your wordpress themes, especially if you are not familiar with them. Here we will show you how to Show Related Posts Without Plugin which will be based on the tags you will use in your posts. Hope this helps some.

    Procedure:

    Note: Do take backup of your theme before you try this.

    01. Go to Appearance => Editor.
    editor

    02. Then choose functions.php file from right hand side and add below code:
    functions.php

    function related_posts_shortcode( $atts ) {
    extract(shortcode_atts(array(
    ‘limit’ => ’5′,
    ), $atts));

    global $wpdb, $post, $table_prefix;

    if ($post->ID) {
    $retval = ‘<ul>’;
    // Get tags
    $tags = wp_get_post_tags($post->ID);
    $tagsarray = array();
    foreach ($tags as $tag) {
    $tagsarray[] = $tag->term_id;
    }
    $tagslist = implode(‘,’, $tagsarray);

    // Do the query
    $q = "SELECT p.*, count(tr.object_id) as count
    FROM $wpdb->term_taxonomy AS tt, $wpdb->term_relationships AS tr, $wpdb->posts AS p WHERE tt.taxonomy =’post_tag’ AND tt.term_taxonomy_id = tr.term_taxonomy_id AND tr.object_id = p.ID AND tt.term_id IN ($tagslist) AND p.ID != $post->ID
    AND p.post_status = ‘publish’
    AND p.post_date_gmt < NOW()
    GROUP BY tr.object_id
    ORDER BY count DESC, p.post_date_gmt DESC
    LIMIT $limit;";

    $related = $wpdb->get_results($q);
    if ( $related ) {
    foreach($related as $r) {
    $retval .= ‘
    <li><a title="’.wptexturize($r->post_title).’" href="’.get_permalink($r->ID).’">’.wptexturize($r->post_title).’</a></li>
    ‘;
    }
    } else {
    $retval .= ‘
    <li>No related posts found</li>
    ‘;
    }
    $retval .= ‘</ul>
    ‘;
    return $retval;
    }
    return;
    }
    add_shortcode(‘related_posts’, ‘related_posts_shortcode’);


    03. Save file. Now open single.php file and place following lines where you want your Related Posts to appear:
    functions.php

    [related_posts]

    04. Save file and you are done.


    For New WordPress Users:

    You can try out following recommended plugins:

    Yet Another Related Posts Plugin
    Or
    Similar Posts

    Further Resources:

    That concludes this simple and useful tutorial. Hope you like it.



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    About the Author

    When I was born I was so shocked I didn't speak for a year and half...... My brain has 2 parts, Right and Left, The Right one has nothing left in it and the Left one has nothing right in it......Who says Nothing is Impossible?? I've been doing nothing for years......

    View Comments to “Post Treatment – Show Related Posts Without a Plugin”

    Author comments are in a darker gray color for you to easily identify the posts author in the comments

    1. wpBlast says:

      Very helpful post! I love finding ways to work around plugins.

    2. wpBlast says:

      Very helpful post! I love finding ways to work around plugins.

    3. Bariski says:

      Glad you like this.

    4. Bariski says:

      Glad you like this.

    5. Divyang says:

      That was useful. I'll try to use this on my blog.

    6. Divyang says:

      That was useful. I'll try to use this on my blog.

    7. johnsonkoh says:

      This is cool stuff buddy. I always try to reduce the no. of plugins used for my site.

    8. johnsonkoh says:

      This is cool stuff buddy. I always try to reduce the no. of plugins used for my site.

    9. W3Mag says:

      That's great! Minus a plugin in the endless plugins list! Thanks!

    10. W3Mag says:

      That's great! Minus a plugin in the endless plugins list! Thanks!

    11. Haburi says:

      Hey,

      this is great. It is more flexible and more related then the plugins I have tried before.
      Thanks for this nice snippet :)

      Cheers Haburi

    12. Haburi says:

      Hey,

      this is great. It is more flexible and more related then the plugins I have tried before.
      Thanks for this nice snippet :)

      Cheers Haburi

    13. Bariski says:

      Glad this helped you.

    14. Bariski says:

      Glad this helped you.

    15. Bariski says:

      Glad this helped you.

    16. Bariski says:

      Glad this helped you.

    17. Bariski says:

      You are welcome.

    18. Bariski says:

      You are welcome.

    19. Bariski says:

      Glad this helped you.

    20. Bariski says:

      Glad this helped you.

    21. Guess says:

      Thanks for showing us how to show related posts without a plugin. Its really helpful, because when you modify plugins, you can no longer update it.

    22. Trisna says:

      Nice tutorial, but if you don't mind, would you please give a tutorial how to make related posts with thumbnails just like the related posts in this site. Thanks

    23. Aysseline says:

      This site use YARPP plugin (see the link at end of the tuto). You can also take a look at this: http://wordpress.shaldybina.com/plugins/related...

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