How to Group Articles or Posts Alphabetically

14th Feb 2011 | Posted by reza | 15 Comments

To help your site visitors quickly find one or two posts, you can create a list post ordered by date, category, or alphabet. There are tons of tutorials you can find to create this list. But this tutorial is an advance version to list post ordered by alphabet

The post in this list will be grouped by it’s alphabet, so the list will be like this:

A.
Afirst post
Alorem Ipsum

B.
Bolot sit amet
Bconsectetur adipisicing

etc..etc

How to

Ok, here’s the code :


<?php
$args=array(
  'orderby' => 'title',
  'order' => 'ASC',
  'posts_per_page'=>-1,
  'caller_get_posts'=>1
);
$my_query = new WP_Query($args);
if( $my_query->have_posts() ) {
  echo 'Alphabetic index of all ' . count($my_query->posts) . ' posts';
  while ($my_query->have_posts()) : $my_query->the_post();
    $this_char = strtoupper(substr($post->post_title,0,1));
    if ($this_char != $last_char) {
      $last_char = $this_char;
      echo '<h2>'.$last_char.'</h2>';
    } ?>
    <p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></p>
    <?php
  endwhile;
} 
wp_reset_query();
?>

You can put this code in a page template to create a site map.

Hope this code helps.

Credit:
Thanks to khamtv and MichaelH from WordPress.org

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13 Comments to “How to Group Articles or Posts Alphabetically”

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Fredrik says:

February 14, 2011 at 11:13

That was a fast and nice tip! thx for that one… keep em coming!

Reply
Pablo says:

February 20, 2011 at 18:13

Thanks for your help!
PS. How can I get the first letter was UTF-8, not a strange sign?

Reply
- reza says:
  
  February 20, 2011 at 18:45
  
  Uhm, what do you mean strange sign?
  
  Reply
  - Pablo says:
    
    February 21, 2011 at 03:56
    
    What I meant was that it does not display the letters in my language. I worked it out, below the code:)

Pablo says:

February 20, 2011 at 18:24


<?php
$args=array(
  'orderby' => 'title',
  'order' => 'ASC',
  'posts_per_page'=>-1,
  'caller_get_posts'=>1,
  'post_type' => 'autorzy'
);
$my_query = new WP_Query($args);
if( $my_query->have_posts() ) {
  echo 'Alphabetic index of all ' . count($my_query->posts) . ' posts';
  while ($my_query->have_posts()) : $my_query->the_post();
    $this_char = strtoupper(mb_substr($post->post_title,0,1,'UTF-8'));
    if ($this_char != $last_char) {
      $last_char = $this_char;
      echo '<h2>'.$last_char.'</h2>';
    } ?>
    <p><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></p>
    <?php
  endwhile;
} 
wp_reset_query();
?>

Pablo says:

February 21, 2011 at 04:00

Show me this list:
A
D
K
P
W
K
P
Ś

What is wrong?

Reply
- reza says:
  
  February 22, 2011 at 02:40
  
  uhm, maybe it has something to do with your language
  
  Reply
  - Pablo says:
    
    February 22, 2011 at 05:19
    
    Thanks for your reply.
    Without the work of Polish characters.
  - Pablo says:
    
    February 22, 2011 at 05:23
    
    It works, if not I’ll use the characters of Polish language.

Donald says:

March 31, 2011 at 04:17

How to show only posts that starts with, for example, the letter C ?

reza says:

April 1, 2011 at 22:53

try this


<?php

//get all post IDs for posts beginning with cap C, in title order,
//display posts
$first_char = 'C';

$postids=$wpdb->get_col($wpdb->prepare("
SELECT      ID
FROM        $wpdb->posts
WHERE       SUBSTR($wpdb->posts.post_title,1,1) = %s
ORDER BY    $wpdb->posts.post_title",$first_char)); 

if ($postids) {
$args=array(
  'post__in' => $postids,
  'post_type' => 'post',
  'post_status' => 'publish',
  'posts_per_page' => -1,
  'caller_get_posts'=> 1
);
$my_query = null;
$my_query = new WP_Query($args);
if( $my_query->have_posts() ) {
 echo 'List of Posts Titles beginning with the letter '. $first_char;
  while ($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;
}
wp_reset_query();  // Restore global post data stomped by the_post().
}
?>

Jon says:

June 9, 2011 at 13:39

Hello,

Thanks for the helpful code. I was wondering if it would be possible to sort and group by a custom field value instead of by post title?

Is it possible to modify this line:

$this_char = strtoupper(mb_substr($post->post_title,0,1,’UTF-8′));

With something instead about a custom field value? I tried modifying the query args to get meta values and orderby meta value, but it messed up the order below.

Thanks!

Reply
Daniel Assayag says:

September 17, 2013 at 14:29

Hi,
I wondered if i could add an rule :
when the article starts with The, then use the first letter of the second word.
Example:
if the title of the article is “The Article”
instead of appearing at letter T, appear at letter A

Any help?

Thx

Daniel

Reply