template-my-searchwp-supplemental.php

<?php
// ... this snippet overrides the results output found
// @link https://searchwp.com/documentation/search/supplemental-engine/
// so as to account for results that are from a different Multisite site.
// This is not a full and complete example, it shows only the customization
// to the results output to account for site changes.

// Track the current blog ID.
$current_blog_id = get_current_blog_id();
?>

<?php if ( ! empty( $search_query ) && ! empty( $search_results ) ) : ?>
    <?php foreach ( $search_results as $search_result ) : ?>
        <article class="page hentry search-result">
            <?php
            // Track whether we switched sites for this result.
            $switched_site = false;

            // Do we need to switch to the proper site for this result?
            if ( $current_blog_id !== $search_result->site ) {
                switch_to_blog( $result->site );
                $switched_site = true;
            }

            // Output the result based on SearchWP Source.
            switch( $search_result->source ) {
                // Posts and Pages.
                case 'post' . SEARCHWP_SEPARATOR . 'post':
                case 'post' . SEARCHWP_SEPARATOR . 'page':
                    $post = get_post( $search_result->id );
                    ?>
                    <header class="entry-header"><h2 class="entry-title">
                        <a href="<?php echo get_permalink(); ?>"><?php the_title(); ?></a>
                    </h2></header>
                    <div class="entry-summary"><?php the_excerpt(); ?></div>
                    <?php
                    wp_reset_postdata();
                    break;
                // Users.
                case 'user':
                    ?>
                    <header class="entry-header"><h2 class="entry-title">
                        <a href="<?php echo get_author_posts_url( $search_result->id ); ?>">
                            <?php echo esc_html( get_the_author_meta( 'display_name', $search_result->id ) ); ?>
                        </a>
                    </h2></header>
                    <div class="entry-summary">
                        <?php echo wp_kses_post( get_the_author_meta( 'description', $search_result->id ) ); ?>
                    </div>
                    <?php
                    break;
            }
            ?>
        </article>
        <?php
        // If we switched sites, switch back!
        if ( $switched_site ) {
            restore_current_blog();
        }
        ?>
    <?php endforeach; ?>
<?php endif; ?>