It fails by your PHP script by commandline, and also in your browser? That can help narrow down the issue I think (calling 'php myfile.php' at commandline, and also in browser). I have hit this before.

You can look more into that ob_clean() and its related flush commands (there are several I believe, that your script can start/end, etc). These days the browser caching is so aggressive that this does happen to me.

-jeff



On 2019-01-24 11:53 AM, lisa wrote:
Thanks Jeff!

I tried it out but no joy.
It works at first, but after a while, I occasionally get the older images
again.

🤔





--
Jeff McKenna
MapServer Consulting and Training Services
https://gatewaygeomatics.com/
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