I have created 3 custom taxonomies to tag my posts with. On my single.php template I am attempting to count the number of terms, using get_the_terms() for each custom taxonomy that is assigned to the post, but it is not producing the result I am expecting.

I have two custom taxonomies called "sizes" and "colors" and I am getting the number of terms from these taxonomies like this:

    $sizeCount = count(get_the_terms($post->ID, 'sizes'));
    $colorCount = count(get_the_terms($post->ID, 'colors'));

    echo $sizeCount . ' ' . $colorCount;

The issue is that this always seems to return at least 1(never 0), even if the post isn't tagged with any of the terms from that taxonomy. For instance, I have a post tagged with 1 size term and 0 color terms. However, this returns 1 1 when it should be returning 1 0. If I tag it with another size, the sizeCount correctly outputs and I get 2 1.

Does anyone know why I am getting a 1 even when the post is not tagged with any terms from that taxonomy?


1 Answer 1


If you are trying to get the number of terms your post have, then you should use wp_get_post_terms().

$sizeCount = count(wp_get_post_terms($post->ID, 'sizes'));
$colorCount = count(wp_get_post_terms($post->ID, 'colors'));

echo $sizeCount . ' ' . $colorCount;

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