How to use post_type_archive_link filter in WordPress

Let’s dive into understanding the post_type_archive_link filter hook in WordPress. As a fellow Indian developer, I can tell you that mastering hooks is like unlocking the hidden powers of WordPress. This particular filter allows you to modify the permalink for a post type archive. Pretty cool, right? Let’s break it down further.

Description

This filter hook helps in filtering the post type archive permalink. It’s got two parameters: $link and $post_type. Essentially, it is used in get_post_type_archive_link() to retrieve the permalink for a post type archive.

Parameters

• $link: (string) The post type archive permalink.
• $post_type: (string) Post type name.

Live Example 1: Basic Usage

To run the hook, you can use the example below. This is how you can apply the filter in your code:

    $link = apply_filters('post_type_archive_link', $link, $post_type);
    if (!empty($link)) {
        // everything has led up to this point...
    }
    

Live Example 2: Adding a Hook Callback

Here’s how you can add a callback to this filter:

    // define the post_type_archive_link callback
    function weplugins_filter_post_type_archive_link($link, $post_type) {
        // make filter magic happen here...
        return $link;
    }
    // add the filter
    add_filter('post_type_archive_link', 'weplugins_filter_post_type_archive_link', 10, 2);
    

Live Example 3: Removing a Hook Callback

If you ever need to remove a previously added callback, here’s the way to do it:

    // remove the filter
    remove_filter('post_type_archive_link', 'weplugins_filter_post_type_archive_link', 10, 2);
    

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