Is it possible to show orientation of featured image in post on single.php?

For example: Orientation of featured image is: portrait / landscape.

I have found that this could be done by calculating aspect ratio of image (width / height). For example image with dimensions 1600 x 1200 have aspect ratio 1.33333 (landscape) and 1200 x 1600 have aspect ratio 0.75 (portrait).

If you are interested to find more look on:

Get total number of pixels, size in megapixels and aspect ratio based on image width and height?

  • What have you already attempted for this, what plugins have you looked at?
    – Aravona
    Jul 1, 2014 at 9:25
  • Nothing so far, I have no idea where to start from? Any idea? Jul 2, 2014 at 9:32
  • I would assume you would have to add additional metadata to the database when you upload them, allowing you to reference orientation as portrait / landscape, then draw that when you have a post with a featured image.
    – Aravona
    Jul 2, 2014 at 9:47

1 Answer 1


Basic check of aspect ratio. Display as landscape, square or portrait

if ( !has_post_thumbnail()) { 
    return 'Error'; 
} else {
    $image = wp_get_attachment_image_src( get_post_thumbnail_id($post->ID), '');
    $image_w = $image[1];
    $image_h = $image[2];

    if ($image_w > $image_h) { 
        echo 'landscape';
    elseif ($image_w == $image_h) { 
        echo 'square';
    else { 
        echo 'portrait';

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