Is there any way of changing the post order via user click?

5 comments

1. Check the WP Sort Plugin, it does exactly what you need:

   http://wordpress.org/extend/plugins/wp-post-sorting/

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2. By using the $_GET function at the top

   <?php $sort= $_GET['sort'];
if($sort == "title")
{
$order= "orderby=title";
}
if($sort == "date")
{
$order= "orderby=date";
}
?>

   You can use links like that:

   <a  href="?sort=title" <?php if ($sort == "title"){ echo 'style="color:gray"'; } ?>>title</a><a href="?sort=date" <?php if ($sort == "date"){ echo 'style="color:gray"'; } ?>>Date</a>
   

   Or a dropdown list:

   <form action="" method="get">
   <select name="sort" id="sorting">
     <option value="title" <?php if ($sort == "title"){ echo 'selected="selected"'; } ?> >Sort by title</option>
     <option value="date" <?php if ($sort == "date"){ echo 'selected="selected"'; }?> >Sort by publication date</option>
   </select>
   <input type="submit" value="Submit" /></form>
   

   Then Comes the loop

   <?php $loop = new WP_Query('cat=5&showposts=-1&'.$order.'&order=DEC'); ?><?php while ( $loop->have_posts() ) : $loop->the_post(); ?>.........<?php endwhile; ?>
   

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3. Just my example based on Boldhand a way to change the title of a Custom Post Type ASC and DESC:

             <?php 
                   $sort= esc_attr($_GET['sort']); 
                   if($sort == "title") { $order= "orderby=title&order=DESC"; } 
                   if($sort == "titleb") { $order= "orderby=title&order=ASC"; } 
                   ?>
   
                   <div class="elementsToFilter">
                     <ul>
                       <li><a  href="?sort=title" <?php if ($sort == "title"){ echo 'style="color:gray"'; } ?>>Title : A - Z</a></li>
                       <li><a href="?sort=titleb" <?php if ($sort == "titleb"){ echo 'style="color:gray"'; } ?>>Title : Z - A</a></li>
                     </ul>
                   </div>
   
   
               <div id="containerBoxes">
   
                   <?php $loop = new WP_Query('post_type=portfolio&posts_per_page=12'.$order); ?><?php while ( $loop->have_posts() ) : $loop->the_post(); ?>       
                                 <div class="box">
                                   <h4><?php the_title() ?></h4>
                                   <?php the_content() ?>
                                 </div>
   
   
                    <?php endwhile; wp_reset_query(); ?> 
   
              </div> <!-- / containerBoxes-->
   

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4. Yes, it is possible. You’ll want to look at the Order & Orderby Parameters to WP_Query and since you didn’t give too many details here, you should probably also look at When should you use WP_Query vs query_posts() vs get_posts()? as well.

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5. You can always add orderby to your URLs to specify a field to order the posts. Earlier today I gave an answer on how to do this with “nice” URLs.

   So you (“only”) need to generate the links on each archive page. This should be rather easy, but I think you can find plugins for that too.

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