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The Kunena team has announce the arrival of Kunena 18.104.22.168 [K 6.1.3] which is now available for download as a native Joomla extension for J! 4.2.x/4.3.x. This version addresses most of the issues that were discovered in K 6.1.0 and issues discovered during the last development stages of K 6.1
Question Corrupt/Grey(Gray) images
PS Sorry my English
System Linux #deleted_by_me# 3.10.0-693.2.2.el7.x86_64 #1 SMP Tue Sep 12 22:26:13 UTC 2017 x86_64
Build Date Jul 6 2017 08:06:52
Server API Apache 2.0 Handler
By the way, I have just tried solution publicated by Luchen6. It really works! Thanks a lot, comrade!!!!
Luchen6 wrote: Since sometime I also had Mostly grey images on our site. Especially with portrait photo's taken with a phone or tablet.
It took some investigation and finally I made a changed in the file ../libraries/kunena/upload/upload.php.
The part // Get filename from stream and the belonging code on lines350 (about) I places outside the while loop. now it works fine!
I had some seriuos issues with it as well earlier. Was using exact same PHP as you do, but after updatering to PHP7, the problem was gone - so that would have been my suggestion for you to try.
But nevermind now - but everybody else - try update your php to 7, if its bugging in 5.
On my life site I only upgraded from php 5.? to 7 recently.
Maybe this issue was raised since then.
I did not check how the block size used during the copy is determined. This can be different by using an other PHP version.
It comes down that in my opinion there is no need to check the image orientation while copying the file. This is only useful after the file is completely copied.