PHP output buffering : ob_get_clean(): Failed to discard buffer of ob_gzhandler" whilst buffer has been set

Good day,

I am getting the following error in PHP :

ob_get_clean(): Failed to discard buffer of ob_gzhandler 
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I am developing an application under Windows WAMPServer. And I have tried to launch my application today. Unfortunately the first thing I got was content encoding error. Whilst it worked perfectly under WAMP with the following code :

///########
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This gave under Linux Centos and PHP 8.1 a content encoding error. A little digging on this forum gave me the following :

PHP Output buffering, Content Encoding Error caused by ob_gzhandler?

So I changed my code to :

{-code-3}
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That gives me a little more. But unfortunately still an error :

Notice: ob_get_clean(): Failed to discard buffer of ob_gzhandler

Now I have been looking at the examples over and over again.

I found the following thread : failed to delete buffer. No buffer to delete

But the point is. There actually is buffer to clean. So that couldn't be the issue.

Where could my error be?

SOLUTION

I had :

    {-code-4}
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But I should switch these two. Why exactly this is. I don't know. But maybe if someone wants. Add the explanation. But for reference. I still add this "question" so that someone doesn't have to spend a frustrating evening.

    {-code-5}
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*please close this question

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