0 down vote favorite I have a page showing your typical series of small post teasers - images, excerpt etc which advertise properties for lease.

I would like to have the ability to add a 'new' or 'featured' icon based on its corresponding 'new' or 'featured' category or tag - either will do.

I have added these categories but they do not appear in the code when output and so I cannot target them.

How would I be able to perform the action:

If a post thumbnail has category of 'new' add the class 'new' so I can then target and style - repeating for each category.

I found this below which I think is similar but does not work

There will be multiple categories displaying on the archive page, but I want to style only the previews that have a certain category - I do not want to style the individual post page.

Unfortunately my php skills are limited


$post = $wp_query->post;

if ( in_category('new', $post->ID) ) { ?>
    <body <?php body_class('new'); ?>> 

elseif ( in_category('featured', $post->ID) ) { ?>
    <body <?php body_class('featured'); ?>> 

else { ?>
    <body <?php body_class('class-name-generic'); ?>>

1 Answer 1


This sounds like something that should go to the The Loop - you want this class per post, not for the whole <body>, right? Roughly archive.php (or index.php, or category-*.php) should look like this:

while (have_posts()) {
    $add_class = array();
    if (in_category('new')) { // inside the loop, don't need $post->ID
        $add_class[] = 'new';
    if (in_category('featured'))
        $add_class[] = 'featured'; // and so on
    <article <?php post_class($add_class); ?>>
    <?php // ...

Or, depending on the theme, in content.php or some version thereof. See docs for post_class.

  • Unfortunately I can't get this to work. I pasted it in all the suggested php templates I have discovered that the php template outputting the post grid is a visual composer php file, I tried in there too but not such luck.
    – Mr Toad
    Commented Dec 10, 2018 at 23:03
  • But please don't paste it verbatim, this is just a guideline! You could try and show the relevant code here, but the Visual Composers and Pagebuilders I've seen can have a complex, convoluted and sometimes messy code...
    – kubi
    Commented Dec 11, 2018 at 9:47

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