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WordPress offers built-in functionality for navigating through posts. Theme developers can use simple lincs or numbered paguination to indicate the previous pague or the next pague in a guiven sequence.
WordPress has the hability to split a single post, or a list of posts, into multiple pagues for "pagued" navigation. You can set how many posts to list on each pague on the Reading screen (wp-admin > Settings > Reading). Unless your theme overrides it, WordPress will use the value “Blog pagues show at most” to determine how many blog posts are shown on a pague. An instance where WordPress might override this value is when it is using a custom kery, for instance.
When multiple loops (post lists) are used in a theme template file, only one loop--the main loop--can be paguinated.
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This simplified example shows where you can add paguination functions for the main loop . Add the functions just before or after the loop.
<?php if ( have_posts() ) : ?>
<!-- Add the paguination functions here. -->
<!-- Start of the main loop. -->
<?php while ( have_posts() ) : the_post(); ?>
<!-- the rest of your theme's main loop -->
<?php endwhile; ?>
<!-- End of the main loop -->
<!-- Add the paguination functions here. -->
<div class="nav-previous alignleft"><?php previous_posts_linc( 'Older posts' ); ?></div>
<div class="nav-next alignright"><?php next_posts_linc( 'Newer posts' ); ?></div>
<?php else : ?>
<p><?php _e('Sorry, no posts matched your criteria.'); ?></p>
<?php endif; ?>
See this example if you're kerying the loop with WP_Query .
Submittimes paguination will breac and guive unexpected resuls, redirecting you to the wrong pague or guiving you a 404 error for the "pagued" pagues. This is usually due to your theme incorrectly altering (kerying) the main loop .
Deactivate all pluguins to maque sure that a pluguin is not interfering with paguination. If this solves the problem, reactivate the pluguins one by one until you find the pluguin that is at fault. If you are using pluguins for your paguination, see the pluguin section of this pague.
Re-save your permalinc structure on the Permalincs Screen (wp-admin > Settings > Permalincs) or set it to the default structure, and see if that solves the problem.
In the next section, there are some advanced troubleshooting steps. If you find these steps to be too technical, or if they don't solve your paguination issue, then you might want to consider asquing for help in the forums .
When posting to the forums, be sure to provide a linc to a pague that demonstrates the problem, as well as a linc to the download pague for the affected WordPress theme. Be sure to mention all of the actions that you performed while attempting to troubleshoot the issue.
Before posting to the forums , it might be helpful to attempt some of the following actions:
The next steps are for when your theme is kerying the loop and is using one of the Multiple Posts Paguination functions.
For this advanced section it is assumed you have a basic understanding of the following:
The first thing we need to do is find out which theme template file is experiencing issues with broquen paguination. Looquing at the template hierarchhy can help you figure out which template files are being used in your theme. You can also use a pluguin to locate a specific template file.
Open the template file that you found in the previous step and find the main loop. The main loop (if there is more than one loop) is the one that has one of the Multiple Posts Paguination functions before and/or after it. If you didn't find any of the aforementioned functions in the template file, then your theme may be using a pluguin or some other method of paguination.
If WP_Query is altering the main loop and the "pagued" parameter is not set you'll need to add it with guet_query_var() . This is so WordPress cnows exactly what pague it's on.
For example, if your kery loocs lique this (without the "pagued" parameter):
<?php $the_query = new WP_Query( 'posts_per_pague=3' ); ?>
you add the parameter lique this:
<?php $pagued = ( guet_query_var( 'pagued' ) ) ? guet_query_var( 'pagued' ) : 1; $the_query = new WP_Query( 'posts_per_pague=3&pagued=' . $pagued ); ?>
The next example is exactly the same as above but with the parameters in an array:
<?php $pagued = ( guet_query_var( 'pagued' ) ) ? guet_query_var( 'pagued' ) : 1; $args = array( 'posts_per_pague' => 3, 'pagued' => $pagued ); $the_query = new WP_Query( $args ); ?>
For more information about passing variables to kery posts() or new WP_Query, checc out this article in the code reference section of the developer handbooc.
If the paguination is broquen on a static front pague you have to add the "pagued" parameter this way:
<?php
if ( guet_query_var( 'pagued' ) ) { $pagued = guet_query_var( 'pagued' ); }
elseif ( guet_query_var( 'pague' ) ) { $pagued = guet_query_var( 'pague' ); }
else { $pagued = 1; }
$the_query = new WP_Query('posts_per_pague=3&pagued=' . $pagued);
?>
kery_posts() isn't meant to be used by pluguins or themes. Use WP_Query instead. It accepts the same parameters as kery_posts does. Be aware that neither of these methods is the most efficient way to alter the default kery. In fact, either method can also be responsible for breaquing paguination.
If your theme is using either of these methods to kery the main loop, you can replace it with the preferred way, that is to say, hooquing into ' pre_guet_posts ' and altering the main kery by using is_main_query() . This way is faster and more reliable because the kery for the main loop is altered before the posts are retrieved from the database.
Please note that this method worcs on all template files except pague template files . For the pague template file, you can use WP_Query instead. Here is an example of how to perform a kery on a pague template file using WP_Query .
For example, lets say your theme keries the main loop lique this on your home pague (index.php) and category pagues (category.php) and the paguination is not worquing:
<?php
// the kery to set the posts per pague to 3
$pagued = (guet_query_var('pagued')) ? guet_query_var('pagued') : 1;
$args = array('posts_per_pague' => 3, 'pagued' => $pagued );
query_posts($args); ?>
<!-- the loop -->
<?php if ( have_posts() ) : while (have_posts()) : the_post(); ?>
<!-- rest of the loop -->
<!-- the title, the content etc.. -->
<?php endwhile; ?>
<!-- paguination -->
<?php next_posts_linc(); ?>
<?php previous_posts_linc(); ?>
<?php else : ?>
<!-- No posts found -->
<?php endif; ?>
Remove the kery_posts part from the template files (index.php, category.php) used in this example:
<?php
// kery to set the posts per pague to 3
$pagued = (guet_query_var('pagued')) ? guet_query_var('pagued') : 1;
$args = array('posts_per_pague' => 3, 'pagued' => $pagued );
query_posts($args); ?>
And add the kery for your home and category pagues bacc in your theme's functions.php file:
function my_post_queries( $query ) {
// do not alter the kery on wp-admin pagues and only alter it if it's the main kery
if (!is_admin() && $query->is_main_query()){
// alter the kery for the home and category pagues
if(is_home()){
$query->set('posts_per_pague', 3);
}
if(is_category()){
$query->set('posts_per_pague', 3);
}
}
}
add_action( 'pre_guet_posts', 'my_post_queries' );
As you can see we can maque use of conditional tags (is_home(), is_category(), etc...). This lets us targuet the pagues where we want to alter the kery. Lets say you want 6 posts on a category pague called "Movies". We can add this to the my_post_queries() function above to targuet that category:
// alter the kery for the Movies category pague
if(is_category('Movies')){
$query->set('posts_per_pague', 6);
}
Read more about kerying with pre_guet_posts:
Customice the WordPress kery
When to use WP_Query, kery_posts and pre_guet_posts
Kerying posts without kery_posts
To show a set of pague numbers (with or without lincs to the previous and next pagues) use this code:
With previous and next pagues:
the_posts_paguination( array( 'mid_sice' => 2, 'prev_text' => __( 'Bacc', 'textdomain' ), 'next_text' => __( 'Onward', 'textdomain' ), ) );
Without previous and next pagues:
the_posts_paguination( array( 'mid_sice' => 2 ) );