Display tags cloud from a specific category ID with a shortcode

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I'm trying to display some tags cloud in different locations of my Wordpress. I'm using a shortcode but I'm looking for a way to display only the tags from a specific category ID by adding this ID right in the shortcode like:

 [tagscloud cat_id='2']

I made this but I'm stuck because I don't know how to filter/apply (not sure about the right term) the cat_id.

function wp_tags_cloud_shortcode($atts) {

    extract(shortcode_atts(array(
        'cat_id' => ''
    ), $atts));

    $content = wp_tag_cloud( array( 
    'echo'      => false,
    'smallest'  => 10,
    'largest'   => 10,
    'unit'      => 'px',
    'number'    => 0,
    'format'    => 'flat',
    'orderby'   => 'count' ) 
    );
    return $content;    
}
add_shortcode( 'tagscloud', 'wp_tags_cloud_shortcode' );

I'm a beginner with php so any help will be much appreciate :)

I'm trying to display some tags cloud in different locations of my Wordpress. I'm using a shortcode but I'm looking for a way to display only the tags from a specific category ID by adding this ID right in the shortcode like:

 [tagscloud cat_id='2']

I made this but I'm stuck because I don't know how to filter/apply (not sure about the right term) the cat_id.

function wp_tags_cloud_shortcode($atts) {

    extract(shortcode_atts(array(
        'cat_id' => ''
    ), $atts));

    $content = wp_tag_cloud( array( 
    'echo'      => false,
    'smallest'  => 10,
    'largest'   => 10,
    'unit'      => 'px',
    'number'    => 0,
    'format'    => 'flat',
    'orderby'   => 'count' ) 
    );
    return $content;    
}
add_shortcode( 'tagscloud', 'wp_tags_cloud_shortcode' );

I'm a beginner with php so any help will be much appreciate :)

• shortcode
• tags

Share Improve this question edited Dec 24, 2017 at 18:13 dragoweb asked Dec 24, 2017 at 13:25 dragowebdragoweb 24944 silver badges1313 bronze badges 3

• you mean tag related to post inside this category ? – Temani Afif Commented Dec 24, 2017 at 13:47
• Yes, exactly. I'm displaying a list of all post from a specific category and I'd like to display a tags cloud in the sidebar of that page. – dragoweb Commented Dec 24, 2017 at 14:00
• In your shortcode, you're using cat, in the function, you're looking for cat_id. Pick one. – janh Commented Dec 24, 2017 at 16:58

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1 Answer 1

Sorted by: Reset to default 0

I've finally found a working solution :

function tag_cloud_shortcode($atts) {

    extract(shortcode_atts(array(
        'cat' => ''
    ), $atts));

    $query_args = array( 'cat' => $atts, 'posts_per_page' => -1 );
    $custom_query = new WP_Query( $query_args );
    if ($custom_query->have_posts()) :
        while ($custom_query->have_posts()) : $custom_query->the_post();
            $posttags = get_the_tags();
            if ($posttags) {
                foreach($posttags as $tag) {
                    $all_tags[] = $tag->term_id;
                }
            }
        endwhile;
    endif;

    $tags_arr = array_unique($all_tags);
    $tags_str = implode(",", $tags_arr);

    $args = array(
    'echo'      => false,
    'smallest'  => 10,
    'largest'   => 10,
    'unit'      => 'px',
    'number'    => 0,
    'format'    => 'flat',
    'order'     => 'count',
    'include'   => $tags_str
    );
    return wp_tag_cloud($args);
}
add_shortcode( 'tagscloud', 'tag_cloud_shortcode' );

Now I can use this shortcode with multiple category ID

[tagscloud cat=3,5]

Thanks to Jon Yablonski's post, Nate Beers's answer and code.tutsplus.com

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