@Hackwar

? Looks good.

I have tested this item ✅ successfully on 10f591e

I reproduced this by creating a "Submit Article" form and putting it's menu item as a child a category blog menu item. Then creating a new article in the blog with the same alias as the menu item. This ended up giving me the same error, and this patch fixed it.

@wilsonge

This Test-Enviroment you use?

1. Blog-Menu using Alias "example"
2. as Child of Blog-Menu a "Submit Article"-Menu
3. create an Article using Alias "example"

this ended in an Undefined index: id, this PR solves it … correct?

No create a child article with the same alias as the "submit article" menu item

Parent-Menu "Blog" (Category Blog),
|- Child-Menu "Test" (Create Article),

created an Article in Frontend using "Test"-Menu, got:

Click on Article got:

What i'm missing?

This issue will occurred in a view without id var. Just paste the example code will reproduce this issue.

Mostly this error will not appear in com_content but if any developer use new route in their own component, this error in library will make them hard to debug.

@asika32764 thanks for Info. So its an issue to test for Devs.

@franz-wohlkoenig whoops i forgot to add that you need to have new routing on. So either test on 3.8 with that param enabled. Or store with the com_content params no id's and new router mode enabled

Test on 3.8-dev using new Router, no ID.

Without PR got no Warning after saving Article. Click on Article in Blog-View call "Create Article"-Menu.

Applying Patch got: The file marked for modification does not exist: libraries/cms/component/router/rules/standard.php

Patch this dude https://github.com/joomla/joomla-cms/blob/staging/libraries/src/Joomla/CMS/Component/Router/Rules/StandardRules.php Same file new location

Patch applied, same Result: Click on Article (Alias "test") in Blog-View open "Create Article"-Menu (Alias "test").

1. Apply Patch
2. Install Joomla with sample data
3. Move "Submit Article" menu item to be a child of "Article Category Blog"
4. Create an article in the "Park Blog" category with the alias "submit-article" (note the category is the one that matches the category blog menu item and the alias matches the child menu item).
5. Turn on "Experimental Routing" and "no Id's" for com_content
6. Go to the frontend and go to the 'submit article' menu item. You'll find beneath the article submission there's a PHP Notice

Article "Submit Article", Category "Park Blog", Blog-View:

Open Article opens Menu "Submit Article", no Notice. Error Reporting "Development".

System information

3.8-dev
Multilanguage Site
macOS Sierra, 10.12.5
Firefox 54 (64-bit)

MAMP 4.1.1

• PHP 7.0.15
• MySQLi 5.6.35

What happens if you turn off multilang out of interest? Seems unlikely but maybe that's affecting it??

Disabled Plugins "Language Code" and "Language Filter" > same Result as above.

Set "Create Article"-Menu on Access-Level "Special", logout, click Article with alias "create-article" > Login-Menu and Message "Please login first".

I have tested this item ✅ successfully on 10f591e

After PR applied "Notice: Undefined index: a_id in /libraries/cms/component/router/rules/standard.php on line 201" is gone.

@wilsonge new Install of staging solved Problem discussed above.

RTC after two successful tests.

@asika32764 can you resolve the merge conflict please?

Done