We have a lot of images that get uploaded to a site and I noticed in going through the thumbnail sizes recently that there are some GF-defined thumbnail sizes that I’d never seen before. I saw this recent thread where someone raised a similar issue.
According to the changelog, that issue has since been resolved. But when I var_dump(get_intermediate_image_sizes()) on my site, it’s still outputting the 3 new GF sizes. I have grabbed the add_filter(‘gform_image_sizes’, ‘__return_empty_array’); hook from that thread’s suggestion and those sizes go away. So it sounds like this issue might not be resolved? Before adding the return false hook mentioned above, I uploaded a sample image to my site to test and it didn’t seem to generate thumbnails based on these 3 sizes.
So maybe some clarity is just needed, because our CDN plugin is saying we have 12 thumbnail sizes on the site, and lists those 3 GF ones. So it’s a little confusing if it’s not actually going to generate GF-defined sized thumbnails, if those sizes should be included in the get_intermediate_image_sizes() ?
The image sizes are registered globally to the site, but the site will only make use of these sizes when the image is associated with an image choice field. That is, the image should only be resized when saving the form or when importing a form along with any associated images. Gravity Forms internally handles the restriction to ensure the sizes do not apply outside the context of where the images are needed. If you’re using an image thumbnail regeneration tool, then the sizes would also show as registered and available there.
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