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php8.1 issue when uploading a picture #1654

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opened 2026-10-05 00:51:47 +02:00 by adam · 5 comments
adam commented 2026-10-05 00:51:47 +02:00
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Hi,
we cannot upload a picture to an album, please find errors & warnings in httpd logs :

[Thu Mar 30 09:46:53.382592 2023] [php:warn] [pid 14085] [client 134.184.232.206:42111] PHP Warning:  Undefined array key "" in /var/www/html/piwigo/include/functions_html.inc.php on line 125, referer: https://<tld>/admin.php?page=photos_add&album=149
[Thu Mar 30 09:46:53.383020 2023] [php:warn] [pid 14085] [client 134.184.232.206:42111] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/include/functions_html.inc.php on line 129, referer: https://<tld>/admin.php?page=photos_add&album=149
[Thu Mar 30 09:48:35.305264 2023] [php:warn] [pid 14155] [client 134.184.232.206:35752] PHP Warning:  Undefined array key 0 in /var/www/html/piwigo/include/ws_functions/pwg.images.php on line 1480, referer: https://<tld>/admin.php?page=photos_add&album=149
[Thu Mar 30 09:48:35.306782 2023] [php:error] [pid 14155] [client 134.184.232.206:35752] PHP Fatal error:  Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 4 in /var/www/html/piwigo/include/dblayer/functions_mysqli.inc.php:132\nStack trace:\n#0 /var/www/html/piwigo/include/dblayer/functions_mysqli.inc.php(132): mysqli->query()\n#1 /var/www/html/piwigo/include/ws_functions/pwg.images.php(1482): pwg_query()\n#2 /var/www/html/piwigo/include/ws_core.inc.php(600): ws_images_upload()\n#3 /var/www/html/piwigo/include/ws_protocols/rest_handler.php(41): PwgServer->invoke()\n#4 /var/www/html/piwigo/include/ws_core.inc.php(281): PwgRestRequestHandler->handleRequest()\n#5 /var/www/html/piwigo/ws.php(22): PwgServer->run()\n#6 {main}\n  thrown in /var/www/html/piwigo/include/dblayer/functions_mysqli.inc.php on line 132, referer: https://<tld>/admin.php?page=photos_add&album=149

The upload interface is missing the album list as shown in the screenshot :

image

The only way to get back to the Piwigo interface is to browse to another page, cancelling the upload does nothing.

After that a "null" album is created, the uploaded picture is orphaned and the following errors are shown :

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 195

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 195

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 196

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 196

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 197

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 197

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 198

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 198

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 199

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 199

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 200

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 200

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 201

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 201

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 202

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 202

Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 202

Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 202

As shown in the web UI :

image

Errors on the httpd logs :

[Thu Mar 30 09:56:06.627294 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 195, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.628396 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 195, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.628502 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 196, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.628588 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 196, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.628687 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 197, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.628778 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 197, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.628855 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 198, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.628887 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 198, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629009 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 199, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629090 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 199, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629118 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 200, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629140 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 200, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629161 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 201, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629207 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 201, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629309 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 202, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629331 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 202, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629353 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 202, referer: https://<tld>/admin.php
[Thu Mar 30 09:56:06.629374 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning:  Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 202, referer: https://<tld>/admin.php

Server information :

*Piwigo 13.6.0
*PHP 8.1.16
*httpd-2.4.6-97.el7.centos.4.x86_64

Let me know if we can provide more information about this issue, thanks.

Hi, we cannot upload a picture to an album, please find errors & warnings in httpd logs : ``` [Thu Mar 30 09:46:53.382592 2023] [php:warn] [pid 14085] [client 134.184.232.206:42111] PHP Warning: Undefined array key "" in /var/www/html/piwigo/include/functions_html.inc.php on line 125, referer: https://<tld>/admin.php?page=photos_add&album=149 [Thu Mar 30 09:46:53.383020 2023] [php:warn] [pid 14085] [client 134.184.232.206:42111] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/include/functions_html.inc.php on line 129, referer: https://<tld>/admin.php?page=photos_add&album=149 [Thu Mar 30 09:48:35.305264 2023] [php:warn] [pid 14155] [client 134.184.232.206:35752] PHP Warning: Undefined array key 0 in /var/www/html/piwigo/include/ws_functions/pwg.images.php on line 1480, referer: https://<tld>/admin.php?page=photos_add&album=149 [Thu Mar 30 09:48:35.306782 2023] [php:error] [pid 14155] [client 134.184.232.206:35752] PHP Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '' at line 4 in /var/www/html/piwigo/include/dblayer/functions_mysqli.inc.php:132\nStack trace:\n#0 /var/www/html/piwigo/include/dblayer/functions_mysqli.inc.php(132): mysqli->query()\n#1 /var/www/html/piwigo/include/ws_functions/pwg.images.php(1482): pwg_query()\n#2 /var/www/html/piwigo/include/ws_core.inc.php(600): ws_images_upload()\n#3 /var/www/html/piwigo/include/ws_protocols/rest_handler.php(41): PwgServer->invoke()\n#4 /var/www/html/piwigo/include/ws_core.inc.php(281): PwgRestRequestHandler->handleRequest()\n#5 /var/www/html/piwigo/ws.php(22): PwgServer->run()\n#6 {main}\n thrown in /var/www/html/piwigo/include/dblayer/functions_mysqli.inc.php on line 132, referer: https://<tld>/admin.php?page=photos_add&album=149 ``` The upload interface is missing the album list as shown in the screenshot : ![image](https://user-images.githubusercontent.com/43171930/228768374-1a72fcd9-c5c8-4db9-b61f-fec0ee6d43e3.png) The only way to get back to the Piwigo interface is to browse to another page, cancelling the upload does nothing. After that a "null" album is created, the uploaded picture is orphaned and the following errors are shown : ``` Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 195 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 195 Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 196 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 196 Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 197 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 197 Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 198 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 198 Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 199 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 199 Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 200 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 200 Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 201 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 201 Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 202 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 202 Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 202 Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 202 ``` As shown in the web UI : ![image](https://user-images.githubusercontent.com/43171930/228770139-0c07fdb5-23a8-42cc-86f4-6854e6006eb1.png) Errors on the httpd logs : ``` [Thu Mar 30 09:56:06.627294 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 195, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.628396 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 195, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.628502 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 196, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.628588 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 196, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.628687 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 197, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.628778 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 197, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.628855 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 198, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.628887 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 198, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629009 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 199, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629090 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 199, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629118 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 200, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629140 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 200, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629161 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 201, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629207 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 201, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629309 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 202, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629331 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 202, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629353 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Undefined array key "cat" in /var/www/html/piwigo/admin/albums.php on line 202, referer: https://<tld>/admin.php [Thu Mar 30 09:56:06.629374 2023] [php:warn] [pid 14157] [client 134.184.232.206:29192] PHP Warning: Trying to access array offset on value of type null in /var/www/html/piwigo/admin/albums.php on line 202, referer: https://<tld>/admin.php ``` Server information : *Piwigo 13.6.0 *PHP 8.1.16 *httpd-2.4.6-97.el7.centos.4.x86_64 Let me know if we can provide more information about this issue, thanks. <!-- github-sync-id:1647118541 -->
adam closed this issue 2026-10-05 00:51:47 +02:00
adam commented 2026-10-05 00:51:48 +02:00
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Why not a single reply about this issue ?

upgrading to latest version does not solve those problem, is this software still supported ?

Why bother reporting problems if they are not even considered by devs ?

Why not a single reply about this issue ? upgrading to latest version does not solve those problem, is this software still supported ? Why bother reporting problems if they are not even considered by devs ? <!-- github-comment-id:1545516016 -->
adam commented 2026-10-05 00:51:49 +02:00
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Hi,

-Do you had a look at https://piwigo.org/forum/
-Piwigo is supported, see latest version 13.7 (https://piwigo.org/forum/viewtopic.php?id=32832)
-also read this post about php version (https://piwigo.org/forum/viewtopic.php?pid=186742#p186742)
-last but not least read the article (in french) from @plegall https://framablog.org/2023/03/28/piwigo-la-photo-en-liberte/

kind regards
Phil (not a dev, just a user!)

Hi, -Do you had a look at https://piwigo.org/forum/ -Piwigo is supported, see latest version 13.7 (https://piwigo.org/forum/viewtopic.php?id=32832) -also read this post about php version (https://piwigo.org/forum/viewtopic.php?pid=186742#p186742) -last but not least read the article (in french) from @plegall https://framablog.org/2023/03/28/piwigo-la-photo-en-liberte/ kind regards Phil (not a dev, just a user!) <!-- github-comment-id:1545920497 -->
adam commented 2026-10-05 00:51:50 +02:00
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Hi
Have you test version master
The version master IS different for category
Kind regards

Hi Have you test version master The version master IS different for category Kind regards <!-- github-comment-id:1545932626 -->
adam commented 2026-10-05 00:51:51 +02:00
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I can't reproduce this problem.

Did you create the album on the upload page? Or is it an existing album?

I can't reproduce this problem. Did you create the album on the upload page? Or is it an existing album? <!-- github-comment-id:1681880087 -->
adam commented 2026-10-05 00:51:51 +02:00
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No feedback, I cloe this issue we can't reproduce.

No feedback, I cloe this issue we can't reproduce. <!-- github-comment-id:2022839584 -->
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Reference: adam/Piwigo#1654