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API returned-page URL warning #1782

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opened 2026-10-05 00:56:31 +02:00 by adam · 3 comments
adam commented 2026-10-05 00:56:31 +02:00
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Hi I've been working with the API to fetch some images for another web app. Works great for my needs.
I am seeing a small error in the page URL generated by the API.

Piwigo 13.8.0
Installed on 7 May 2022, 1 year 6 months 3 weeks 1 day ago
Operating system: Linux
PHP: 8.1.25 (Show info) [2023-11-29 19:02:30]
MySQL: 8.0.35-0ubuntu0.20.04.1 [2023-11-29 19:02:30]
Graphics Library: ImageMagick 6.9.10-23

var tag = 'whatever';

The URL generated by
//piwi.lan/ws.php?format=json&method=pwg.tags.getImages&tag_name=${tag}

{
"stat": "ok",
"result": {
"paging": {
"page": 0,
"per_page": 100,
"count": 2,
"total_count": 2
},
"images": [
{
"rank": 0,
"is_favorite": false,
"id": 11,
"width": 1280,
"height": 793,
"hit": 1,
"file": "inverted.jpg",
"name": "inverted",
"comment": null,
"date_creation": null,
"date_available": "2023-11-24 11:14:54",
"page_url": "http://piwi.lan/picture.php?/11",
...

"page_url": "https://piwi.lan/picture.php?/11"
"page_url": "http://piwi.lan/picture.php?/11"

both give the error:

Deprecated: strncmp(): Passing null to parameter #1 ($string1) of type string is deprecated in /www/piwi/public_html/include/functions_url.inc.php on line 447

Warning: Cannot modify header information - headers already sent by (output started at /www/piwi/public_html/include/functions_url.inc.php:447) in /mnt/tera/www/piwi/public_html/include/page_header.php on line 99

If I use the navigation arrow to go up the the album view. the url is
http://piwi.lan/index.php?/categories/flat -- no error
Then click to return to the photo the url is:
http://piwi.lan/picture.php?/11/categories -- no error
if I edit the url to https://piwi.lan/picture.php?/11/ -- no error.

persists in rc 14
Piwigo 14.0.0RC1
Installed on 23 November 2023, 6 days ago
Operating system: Linux
PHP: 8.1.25 (Show info) [2023-11-29 18:58:30]
MySQL: 8.0.35-0ubuntu0.20.04.1 [2023-11-29 18:58:30]
Graphics Library: ImageMagick 6.9.10-23

Hi I've been working with the API to fetch some images for another web app. Works great for my needs. I am seeing a small error in the page URL generated by the API. Piwigo 13.8.0 Installed on 7 May 2022, 1 year 6 months 3 weeks 1 day ago Operating system: Linux PHP: 8.1.25 (Show info) [2023-11-29 19:02:30] MySQL: 8.0.35-0ubuntu0.20.04.1 [2023-11-29 19:02:30] Graphics Library: ImageMagick 6.9.10-23 `var tag = 'whatever';` The URL generated by `//piwi.lan/ws.php?format=json&method=pwg.tags.getImages&tag_name=${tag}` ``` { "stat": "ok", "result": { "paging": { "page": 0, "per_page": 100, "count": 2, "total_count": 2 }, "images": [ { "rank": 0, "is_favorite": false, "id": 11, "width": 1280, "height": 793, "hit": 1, "file": "inverted.jpg", "name": "inverted", "comment": null, "date_creation": null, "date_available": "2023-11-24 11:14:54", "page_url": "http://piwi.lan/picture.php?/11", ... ``` ``` "page_url": "https://piwi.lan/picture.php?/11" "page_url": "http://piwi.lan/picture.php?/11" ``` both give the error: ``` Deprecated: strncmp(): Passing null to parameter #1 ($string1) of type string is deprecated in /www/piwi/public_html/include/functions_url.inc.php on line 447 Warning: Cannot modify header information - headers already sent by (output started at /www/piwi/public_html/include/functions_url.inc.php:447) in /mnt/tera/www/piwi/public_html/include/page_header.php on line 99 ``` If I use the navigation arrow to go up the the album view. the url is `http://piwi.lan/index.php?/categories/flat` -- no error Then click to return to the photo the url is: `http://piwi.lan/picture.php?/11/categories` -- no error if I edit the url to `https://piwi.lan/picture.php?/11/` -- no error. persists in rc 14 Piwigo 14.0.0RC1 Installed on 23 November 2023, 6 days ago Operating system: Linux PHP: 8.1.25 (Show info) [2023-11-29 18:58:30] MySQL: 8.0.35-0ubuntu0.20.04.1 [2023-11-29 18:58:30] Graphics Library: ImageMagick 6.9.10-23 <!-- github-sync-id:2017757524 -->
adam closed this issue 2026-10-05 00:56:31 +02:00
adam commented 2026-10-05 00:56:33 +02:00
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Hello
Do you have test and try with piwigo 14rc2
And no plugins
Thanks

Hello Do you have test and try with piwigo 14rc2 And no plugins Thanks <!-- github-comment-id:1833055978 -->
adam commented 2026-10-05 00:56:33 +02:00
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I don't reproduce this problem :-/ In both 13.8.0 and 14.0.0RC2

I don't reproduce this problem :-/ In both 13.8.0 and 14.0.0RC2 <!-- github-comment-id:1833321513 -->
adam commented 2026-10-05 00:56:34 +02:00
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The problem does not occur on my production server.
Piwigo 13.6.0
PHP: 8.1.20

I was mistaken. It is not occurring on the RC01 on my dev server.

Still occurring on 13.8.0 on my dev server:
PHP: 8.1.25

And I did a quick install of 14 RC2. Not there either.

I thought it might be a hidden bug in the API since I don't see a lot of API activity in the forums.

It was an easy fix in the javascript.
anchorElement.href = pageUrl + '/';

I'll mark this as closed. Sorry for the confusion.

The problem does not occur on my production server. Piwigo 13.6.0 **PHP: 8.1.20** I was mistaken. It is not occurring on the RC01 on my dev server. Still occurring on 13.8.0 on my dev server: **PHP: 8.1.25** And I did a quick install of 14 RC2. Not there either. I thought it might be a hidden bug in the API since I don't see a lot of API activity in the forums. It was an easy fix in the javascript. `anchorElement.href = pageUrl + '/';` I'll mark this as closed. Sorry for the confusion. <!-- github-comment-id:1834168425 -->
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Reference: adam/Piwigo#1782