How to calculate offset and pagination in WordPress?

How to calculate offset and pagination in WordPress?

For example, if you have 15 posts, an offset of 10, and a posts_per_page limit of 25, WordPress will assume that there is a second page even though the first page will only contain 5 posts (which falls short of our 25 posts_per_page limit). That mysterious second page will return a 404 error.

How to check for category in wordpress archive?

To determine whether a category archive is being shown, you can use is_category () for categories, is_tag () for tags and is_tax () for custom taxonomies. The is_tag () and is_category () functions can also test for specific categories or tags by slug or ID.

How to calculate the number of pages on a page?

To find the number of pages we do: 512/1024 = 0.5 (therefore it’s on page 1) To find the offset we do (address – (page*page_size)): 512 – (1*1024) = -512.

How to create a category page template in Divi?

In Divi, before the days of the Divi Theme Builder, developers had to rely on manually customizing the php code on a category page template theme file and then styling the page template purely with external CSS. But now, with the Divi Theme Builder, this process has become easy and enjoyable!

How many posts do you need without pagination?

You have 20 posts belonging to the default post type post. You only need the latest 5 posts without pagination. Your query looks like this The impact of this extra work is minimal on sites with only a few posts, but this can gt expensive if you are running a site with hundreds or thousands of posts.

Why do you need an offset in WordPress?

Offsets are useful because they can allow a developer to skip a certain number of WordPress posts before starting output. Unfortunately, many developers find out that hard way that setting an offset value in their custom WordPress queries has the nasty and potentially serious side-effect of breaking pagination .

How to limit the number of posts that WP _ query gets?

When you run a custom query with WP_Query and set the limit to get only 5 posts per page, only 5 posts will be retrieved by the query and that query will only hold 5 posts, BUT for the sake of pagination, WP_Query still runs through the whole database and counts all the posts that matches the criteria of the query.

Why does WordPress not use offset in custom queries?

Unfortunately, many developers find out that hard way that setting an offset value in their custom WordPress queries has the nasty and potentially serious side-effect of breaking pagination . There is a very good reason for this however… the offset argument is actually the value WordPress uses to handle pagination itself.

Why does WordPress assume there is another page?

This little miscalculation means that WordPress will sometimes assume there is another page even if another page does not exist.

How to make a custom query in WordPress?

To make sure we are modifying the correct query, we perform a little check at the top. In the case of this example, we want the site’s main blog archive (aka ‘home’) to skip the first 10 posts; we do this by checking any properties of the query object that may be relevant to us.

When to use pre get posts in WordPress?

Unless you are intimately familiar with these settings and are willing to coordinate them yourself, it’s suggested that you replace the main query by using WP_Query in the page.php or single.php (child) theme template files. pre_get_posts runs before WP_Query has been set up.

When to use offset argument in WordPress hook?

In such cases, you will need to work directly with the query vars, which are passed to the pre_get_posts hook as an argument ( $query in examples on this page). Using the offset argument in any WordPress query can break pagination.

Why does WordPress not take offset into account?

WordPress will *not* take the offset into account when it checks for the number of posts. This creates a problem… internally, WordPress makes a simple check to see if the number of pages outnumbers that query’s posts_per_page property.

Why is the offset argument not used in WordPress?

There is a very good reason for this however… the offset argument is actually the value WordPress uses to handle pagination itself. If a developer sets a manual offset value, pagination will not function because that value will override WordPress’s automatic adjustment of the offset for a given page.

Which is the correct offset for WP query?

If you’re on the first page, the offset should be zero. If you’re on page two, then it should be however many posts you’ve already displayed (less one, since we start counting at zero) multiplied by the page that you’re on. Make sense? Look at it this way: