Add a hook for CloudFlare file purge

I’m not sure how to add this functionality in a way that makes it work regardless of what CDN you happen to be using.

Does anybody know of the best WP way to purge an item from a CDN cache?

I just need somewhere in your code that I can hook into which runs after a file has been replaced. So as soon as the file has been replaced I can add in some custom code to contact CloudFlare and purge the file.

I have to admit I don’t know exactly how.

Would you test it for me? If you add:

do_action("enable-media-replace-upload-done", $new_guid);

after line 157 in upload.php (the last $returnurl statement) – does that do it for you?

That does work in that it fires the hook, but $new_guid is empty. I will need the full URL of the new file so this is important. Do you have any idea why this is not working?

I’ve done the following:

Line 158 of upload.php:
do_action("enable_media_replace_upload_done", $new_guid);

in my functions.php:

function upload_done_function( $new_guid )
{
	$email = '[email protected]';
	wp_mail( $email, "File changed", 'I just changed the following file: ' . $new_guid  . ' I will now tell CloudFlare to purge it.' );
   }

add_action( 'enable_media_replace_upload_done', 'upload_done_function', 10, 1 );

I see, $new_guid is empty if you do a simple replace, without renaming the file. My mistake. Try this line instead:

do_action("enable-media-replace-upload-done", ($new_guid ? $new_guid : $current_guid));

That worked a treat, thanks. Will you be adding that to the next version? ??

Great!

Yes, I’ll go ahead and check in the latest version now, you should have it live within the hour. Thanks for the input!

Hi,

I actually just realised that it would be more useful to get the ID of the attachment, instead of the guid. This is so I can purge all the generated image sizes as well as the main image.

Sorry to ask after you’ve already published it, but perhaps you could change it to:

do_action(“enable-media-replace-upload-done”, $_POST[“ID”]);

Hi Mans, do you think you could make this change? Or add another hook for the ID? It’s more useful than the GUID as I can use it to replace all image sizes. Thanks!