s-l1600_9__86371_zoom

add_filter('wp_get_attachment_image_attributes', function($attr, $attachment){ if (empty($attr['alt'])) { $post = get_post($attachment->post_parent); if ($post && $post->post_type == 'product') { $attr['alt'] = $post->post_title; } } return $attr; }, 10, 2);