WordPress Snippets at WPcustoms

List all categories and their matching posts

Use it on your archives.php template. This function grabs the categories and lists all according posts below that category.

 * Snippet Name: List all categories and their matching posts
 * Snippet URL: http://www.wpcustoms.net/snippets/list-all-categories-and-their-matching-posts/
// get all the categories from the database
$cats = get_categories();

// loop through the categries
foreach ($cats as $cat) {
// setup the cateogory ID
$cat_id= $cat->term_id;
// Make a header for the cateogry
echo "<h2>".$cat->name."</h2>";
// create a custom wordpress query
// start the wordpress loop!
if (have_posts()) : while (have_posts()) : the_post(); ?>

<?php // create our link now that the post is setup ?>
<a href="<?php the_permalink();?>"><?php the_title(); ?></a>
<?php echo '<hr/>'; ?>

<?php endwhile; endif; // done our wordpress loop. Will start again for each category ?>
<?php } // done the foreach statement ?>