1

I have a custom post type and using this function to add for posts, previous and next buttons.

The problem is that within the custom post type, I have subcategories defined by a custom field category.

Is there a way to limit the previous and next post link for items only within the same category of the current post?

 function crunchify_post_navigation(){
    ?>
    <div class="arrowNav">
        <div class="arrowLeft">
            <?php previous_post_link('%link', '&#8606;', FALSE); ?>
        </div>
        <div class="arrowRight">
            <?php next_post_link('%link', '&#8608;', FALSE); ?>
        </div>
    </div>
    <?php
    }

    add_action('wp_footer', 'crunchify_post_navigation');
0

This function must be used within the loop.

https://codex.wordpress.org/Function_Reference/next_post_link

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