10 Exceptional WordPress Hacks | Developer's Toolbox | Smashi...

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5. Display Related Posts Without A Plug-In

The problem. One well-known way of keeping visitors on your blog longer and helping them discover news posts is to display, usually at the end of the article, a list of related content.

Many plug-ins will do this job, but why not super-charge your theme by integrating this functionality by default?

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5. Display Related Posts Without A Plug-In

The problem. One well-known way of keeping visitors on your blog longer and helping them discover news posts is to display, usually at the end of the article, a list of related content.

Many plug-ins will do this job, but why not super-charge your theme by integrating this functionality by default?

The solution.

1. Open the single.php file in your theme.
2. Paste the following code in the loop:
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   1. <?php  
   2. //for use in the loop, list 5 post titles related to first tag on current post  
   3. $tags = wp_get_post_tags($post->ID);  
   4. if ($tags) {  
   5.   echo 'Related Posts';  
   6.   $first_tag = $tags[0]->term_id;  
   7.   $args=array(  
   8.     'tag__in' => array($first_tag),  
   9.     'post__not_in' => array($post->ID),  
   10.     'showposts'=>5,  
   11.     'caller_get_posts'=>1  
   12.    );  
   13.   $my_query = new WP_Query($args);  
   14.   if( $my_query->have_posts() ) {  
   15.     while ($my_query->have_posts()) : $my_query->the_post(); ?>  
   16.       <p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></p>  
   17.       <?php  
   18.     endwhile;  
   19.   }  
   20. }  
   21. ?>  

   <?php
   //for use in the loop, list 5 post titles related to first tag on current post
   $tags = wp_get_post_tags($post->ID);
   if ($tags) {
     echo 'Related Posts';
     $first_tag = $tags[0]->term_id;
     $args=array(
       'tag__in' => array($first_tag),
       'post__not_in' => array($post->ID),
       'showposts'=>5,
       'caller_get_posts'=>1
      );
     $my_query = new WP_Query($args);
     if( $my_query->have_posts() ) {
       while ($my_query->have_posts()) : $my_query->the_post(); ?>
         <p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></p>
         <?php
       endwhile;
     }
   }
   ?>

3. Save the file, and then have a look at your blog: related posts are automatically displayed!

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9. Highlight Searched Text In Search Results

The problem. The WordPress search engine system is often criticized for not being powerful enough. One of its weakest points in my opinion is that searched text is not easily distinguishable from the rest of the text. Let’s solve that!

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