PrevNext Navigation on Single Post Disappeared for Custom Post Type

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Hope it's okay to ask this question here - I'm not really a developer. I've been using Dox theme for a friend's website, and we are ready to go live over the weekend and the Theme developer isn't getting back very fast.

I've done some CSS customisations on the website, not a huge amount of changes on templates. We moved the website to the server we'd like to go live on, and had a few issues re PHP Version (the server was on ver 5.6 and it had the old website on, but some elements of the new site require ver 7.0+), changing the version seemed to have solved most of the problems, but this is something we both have only noticed today (may have happened before today) - the Prev/Post buttons on custom post types have disappeared - so that's the Projects and Events on the site, it continues to be working and fine for Posts.

Pages - Project: /
Post: /

I've tried disabling plugins, take out all custom CSS etc., didn't seem to have made any difference. And the navigation is enabled in the theme setting (in Customizer) Any advice much appreciated

The Navigation template:

<?php

/*

Navigation Prev/Next Template

*/

// Previous
$prev = get_previous_post();
// Next
$next = get_next_post();

if ( get_theme_mod( 'dox_post_single_navigation', 'enabled' ) != 'disabled' ) {

    if ( $prev || $next ) { ?>

        <div class="fy-post-nav">

            <div class="fy-flex-container fy-flex-container-stretch fy-flex-gutter-large">
                <div class="fy-flex-column-auto fy-flex-column-tablet-100">

                    <?php
                    if ( $prev ) {
                        $args  = array(
                            'post_type'      => get_post_type(),
                            'posts_per_page' => 1,
                            'p'              => $prev->ID
                        );
                        $query = get_posts( $args );

                        foreach ( $query as $post ) {
                            setup_postdata( $post );

                            // Thumbnail
                            $thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id(), FORQY_THEME_SLUG . '-medium-fixed' );
                            // Thumbnail Image
                            $thumbnail_image = $thumbnail[0];
                            ?>

                            <a href="<?php the_permalink(); ?>" class="fy-post-nav-post fy-post-prev">
                                <div class="fy-post-nav-header">
                                    <?php esc_html_e( 'Previous', 'dox' ); ?>
                                    <h3><span><?php the_title(); ?></span></h3>
                                </div>
                            </a>

                            <?php
                            wp_reset_postdata();
                        }
                    }
                    ?>

                </div>
                <div class="fy-flex-column-auto fy-flex-column-tablet-100">

                    <?php
                    if ( $next ) {
                        $args  = array(
                            'post_type'      => get_post_type(),
                            'posts_per_page' => 1,
                            'p'              => $next->ID
                        );
                        $query = get_posts( $args );

                        foreach ( $query as $post ) {
                            setup_postdata( $post );

                            // Thumbnail
                            $thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id(), FORQY_THEME_SLUG . '-medium-fixed' );
                            // Thumbnail Image
                            $thumbnail_image = $thumbnail[0];
                            ?>

                            <a href="<?php the_permalink(); ?>" class="fy-post-nav-post fy-post-next">

                                <div class="fy-post-nav-header">
                                    <?php esc_html_e( 'Next', 'dox' ); ?>
                                    <h3><span><?php the_title(); ?></span></h3>
                                </div>
                            </a>

                            <?php
                            wp_reset_postdata();
                        }
                    }
                    ?>

                </div>

            </div>

        </div>

    <?php }
}

Hope it's okay to ask this question here - I'm not really a developer. I've been using Dox theme for a friend's website, and we are ready to go live over the weekend and the Theme developer isn't getting back very fast.

I've done some CSS customisations on the website, not a huge amount of changes on templates. We moved the website to the server we'd like to go live on, and had a few issues re PHP Version (the server was on ver 5.6 and it had the old website on, but some elements of the new site require ver 7.0+), changing the version seemed to have solved most of the problems, but this is something we both have only noticed today (may have happened before today) - the Prev/Post buttons on custom post types have disappeared - so that's the Projects and Events on the site, it continues to be working and fine for Posts.

Pages - Project: https://fitkin/2020/project/veneer-2002-2003/
Post: https://fitkin/2020/unanswered-questions-about-bike-design/

I've tried disabling plugins, take out all custom CSS etc., didn't seem to have made any difference. And the navigation is enabled in the theme setting (in Customizer) Any advice much appreciated

The Navigation template:

<?php

/*

Navigation Prev/Next Template

*/

// Previous
$prev = get_previous_post();
// Next
$next = get_next_post();

if ( get_theme_mod( 'dox_post_single_navigation', 'enabled' ) != 'disabled' ) {

    if ( $prev || $next ) { ?>

        <div class="fy-post-nav">

            <div class="fy-flex-container fy-flex-container-stretch fy-flex-gutter-large">
                <div class="fy-flex-column-auto fy-flex-column-tablet-100">

                    <?php
                    if ( $prev ) {
                        $args  = array(
                            'post_type'      => get_post_type(),
                            'posts_per_page' => 1,
                            'p'              => $prev->ID
                        );
                        $query = get_posts( $args );

                        foreach ( $query as $post ) {
                            setup_postdata( $post );

                            // Thumbnail
                            $thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id(), FORQY_THEME_SLUG . '-medium-fixed' );
                            // Thumbnail Image
                            $thumbnail_image = $thumbnail[0];
                            ?>

                            <a href="<?php the_permalink(); ?>" class="fy-post-nav-post fy-post-prev">
                                <div class="fy-post-nav-header">
                                    <?php esc_html_e( 'Previous', 'dox' ); ?>
                                    <h3><span><?php the_title(); ?></span></h3>
                                </div>
                            </a>

                            <?php
                            wp_reset_postdata();
                        }
                    }
                    ?>

                </div>
                <div class="fy-flex-column-auto fy-flex-column-tablet-100">

                    <?php
                    if ( $next ) {
                        $args  = array(
                            'post_type'      => get_post_type(),
                            'posts_per_page' => 1,
                            'p'              => $next->ID
                        );
                        $query = get_posts( $args );

                        foreach ( $query as $post ) {
                            setup_postdata( $post );

                            // Thumbnail
                            $thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id(), FORQY_THEME_SLUG . '-medium-fixed' );
                            // Thumbnail Image
                            $thumbnail_image = $thumbnail[0];
                            ?>

                            <a href="<?php the_permalink(); ?>" class="fy-post-nav-post fy-post-next">

                                <div class="fy-post-nav-header">
                                    <?php esc_html_e( 'Next', 'dox' ); ?>
                                    <h3><span><?php the_title(); ?></span></h3>
                                </div>
                            </a>

                            <?php
                            wp_reset_postdata();
                        }
                    }
                    ?>

                </div>

            </div>

        </div>

    <?php }
}

• custom-post-types
• navigation
• next-post-link
• previous-post-link

Share Improve this question edited Jul 15, 2020 at 5:35 stealthyninja 1,13011 gold badge1515 silver badges2121 bronze badges asked Jul 14, 2020 at 20:35 uchijjanguchijjang 111 bronze badge 1

• 1 Do you have any idea what the $prev and $next variables are? If the prev and next links are not visible then perhaps that code isn't running at all because those variables aren't defined. Try changing those lines to if ( true) { just to see what happens. – mozboz Commented Jul 14, 2020 at 20:56

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1 Answer 1

Sorted by: Reset to default 0

It's solved now - apparently, the theme developer didn't put in the call for the above template in the single project template in the latest update... I'm not sure if it's intentional or just an oversight, but it took a while to find the right template to change. All good now!

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