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For a post we need to maintain a list of "related posts" (links to other posts), and this list should be visible to a user.

What is the easiest way to do this?

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3 Answers 3

For anyone who comes across this question. Related Posts for WordPress has the ability to automatically link posts and allows you to manually add, edit and remove the related posts.

You can download it for free here: http://wordpress.org/plugins/related-posts-for-wp/

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There are many plugins in the Plugin Directory that can add this functionality, including http://wordpress.org/extend/plugins/yet-another-related-posts-plugin/

You should be able to find one there that meets your needs.

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Yet Another Related Posts Plugin generates links automatically. I think, our customer wants to edit the list of links by himself. –  porton Mar 28 '12 at 16:05
    

Or, you can place this code in your active theme's functions.php:

<?php 
// First, backup the default $postdata 
$backup = $post; 
// Now, override the default 
$tags = wp_get_post_tags($post->ID); 
// Now, open the if ( $tags ) statement 
if ($tags) { 
    $tag_ids = array(); 
    foreach($tags as $individual_tag) $tag_ids[] = $individual_tag->term_id;  
    // Now, setup your custom query args                     
    $args=array( 
        'tag__in' => $tag_ids, 
        'post__not_in' => array($post->ID), 
        'showposts'=>10, // Number of related posts that will be shown.                                                                                                             
        'ignore_sticky_posts'=>1 
    ); 
    // Now, perform your custom query 
    $my_query = new wp_query($args);  
    // Next, open your custom query IF statement 
    if( $my_query->have_posts() ) { 
        // We have posts, so let's output the opening-containing markup 
        ?> 
        <div class="relatedposts">
        <h3>RELATED:</h3> 

                <?php  
                // Now, open your custom query WHILE statement 
                while ($my_query->have_posts()) {                                                                
                    $my_query->the_post(); 
                    ?>                   
    <ul><li>      <a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></li></ul>
                     <?php 
                    // Now, close the while $my_query->have_posts() statement 
                } 
                // Now, output your closing-containing HTML content 
                ?>                
</div>          
        <?php 
    // Now, close the if $my_query->have_posts() statement 
    // and open the ELSE statement, for your no-posts content 
    } else { 
        ?> 
        <?php // If there are no related posts ?>
        <p class="noposts">FURTHER READING: <span>You may find more posts like this by searching the site...</span></p>
        <?php 
    // Now, close the ELSE statement 
    } 
// Now, close the if ( $tags ) statement 
} 
// Now, reset the default query 
$post = $backup; 
wp_reset_query(); 
?>
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