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Hello,

I am seeing this entry, endlessly repeated, in the error log:
03.01.2019 05:05:26 xxx.com [client 185.253.98.0] PHP Warning: Cannot modify header information - headers already sent by (output started at /mnt/web413/a3/07/59426007/htdocs/wp-admin/includes/file.php:1678) in /mnt/web413/a3/07/59426007/htdocs/wp-content/plugins/advanced-iframe/advanced-iframe.php on line 222

Any idea, what might be causing it and how to resolve it? I'm not a pro ... any advice would be much appreciated!

I'm trying to import data with WP All Import and the attempts are being aborted. Could this be related?

Cheerio,
Cheryl

Yes this is related. I have to check because I set a header for iframes cookies and IE.
do you know exactly when this happens?

Best, Michael

Hey, thanks for your reply! Sorry I only just saw it - somehow I didn't receive an email notification.

I'm afraid I have no idea when exactly it is triggered, but I have hundreds such entries in the error log within just a couple of days. Perhaps it is triggered every time a page is loaded that contains an iframe?

I can send you my new version 7.6.1 where I have moved this peace of code. Please send me a e-mail or a pm. you need a e-mail where you can get zip files! e.g. google does NOT allow this.

Best, Michael

Hey, that's fantastic! Thanks a lot!

https://www.tinywebgallery.com/en/about.php

pm -> there should be a button "pm" on each of my posts.

Best, Michael

Hi Michael!

Did you send the file? Just asking because I haven't received anything - in case it won't work with the file, perhaps you could send a link to download?

Thanks!
Cheryl

Not yet. I still have to make a stable build first.

Best, Michael

Hi,

I currently still working on 7.6.1.
If you want to get rid of the error you can modify
advanced-iframe.php and search for P3P.
Then simply remove this line and save...

Best, Michael

Great, thank you! Done

If 7.6.1 will released you can simply update and then this line is called at a earlier stage. So it should give no error anymore.

Best, Michael

Great, thank you!

Hi Michael!

I've just discovered some strange behaviour on one page:
https://www.ecoco.bio/wiki/naturkosmetische-rohstoffe-wirkung-verarbeitung-kosmetischer-einsatz-heike-kaeser-2011/

instead of embedding https://www.olionatura.de, it immediately redirects to the page.
I deactivated the plugin to test and that did eliminate the problem. Any idea what this is?
I have lots of other websites embedded on other pages with no problems. This is the first time I've discovered this redirection.

Cheers,
Cheryl

If I go to the page https://www.ecoco.bio/wiki/naturkosmetische-rohstoffe-wirkung-verarbeitung-kosmetischer-einsatz-heike-kaeser-2011/ i don't get redirected but I still see advanced iframe active. Is it still happening?

Best, Michael

I had to remove the embedded link from the page to prevent redirection.
I've set it up on a different test page for you here:
https://www.ecoco.bio/wiki/test-redirecting-link/

It must be something to do with the destination https://www.olionatura.de - I've had it on three pages now, including this test page, and it always ends up redirecting. Are they using some trick to redirect? None of my other embedded links do this.

Please would you let me know when you no longer need the test page so I can delete it - thanks!