If image width bigger than height [duplicate]
Use wp_get_attachment_metadata(). Using your example: $img_data = wp_get_attachment_metadata( $attachment_id ); $w = $img_data[‘width’]; $h = $img_data[‘height’]; if ($w > $h) { $class = “col-sm-12”; } else { $class = “col-sm-6”; } Though, to get the attachment ID, you’ll either have to put a filter that acts on every image or create a loop that uses … Read more