How to display prev/next category on post?

  • Goal
    I wan to display previous / next category name on post.

    Example
    Category1 Category 2 Category 3
    Post 1 Post 4 Post 7
    Post 2 Post 5 Post 8
    Post 3 Post 6

    Let say I have a data like this and went to post 5.
    I want to detect what category the post 5 is then calculate +, – and display the Category 1 name and Category 3 name.

Viewing 1 replies (of 1 total)
  • Thread Starter endlessstudio

    (@endlessstudio)

    Able to figure it out.

    <?php
    $categories = get_the_category();
    $separator = ' ';
    $output = '';
    if($categories){
        foreach($categories as $category) {
            $prev_step .= '<a href="'.get_category_link( $category->term_id-1 ).'" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" class="previous-step">'.get_cat_name( $category->term_id-1 ).'</a>'.$separator;
            $next_step .= '<a href="'.get_category_link( $category->term_id+1 ).'" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" class="next-step">'.get_cat_name( $category->term_id+1 ).'</a>'.$separator;
		}
	}
?>

<?php echo trim($prev_step, $separator);?>
<?php echo trim($next_step, $separator);?>
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