Contrib.social

Unused array_replace in Frontpage PathProcessor

Open on Drupal.org →
Created on 10 April 2020, over 5 years ago
Updated 26 January 2023, over 2 years ago

Issue discovery

During code quality scanning this line came into question:
core/lib/Drupal/Core/PathProcessor/PathProcessorFront.php Line 52
array_replace($parameters, $request->query->all());

      if (!empty($components['query'])) {
        parse_str($components['query'], $parameters);
        array_replace($parameters, $request->query->all());
        $request->query->replace($parameters);
      }

The entire line can be removed, or else $parameters can be assigned the return value of the call to array_replace. I believe that was the purpose, and would make sense to replace.

$parameters = array_replace($parameters, $request->query->all());

Unexpected frontpage behaviors

In developing a test for this, I found two additional issues introduced in #3000671: Frontpage with query parameter results in "Page not found" → :

  1. Browser redirects to URL path.

    When query parameters (GET vars) are present in Default front page URL, visiting / redirects the browser to the URL with the query removed.
    For example (from the related issue):

    • Default front page: /admin/people?status=2
    • Browser requests /, redirects to: /admin/people (path is present while query parameters are not).

    Expected same behavior as when no query parameters present in Default front page: browser should load /admin/people?status=2 while remaining at /.

  2. Query parameters missing.
    The query parameters from Default front page URL are not passed to the target path.
    For example (from the related issue):
    • Default front page: /admin/people?status=2
    • Browsers loading the / URL will display the People page from /admin/people, but the specified Status is Blocked filter (from ?status=2) is not applied.
    • Browsers loading the /?status=2 URL will be redirected to /admin/people?status=2 and display the People page with the Status is Blocked filter applied.
    • Browsers loading the /?status=1 URL will be redirected to /admin/people?status=1 and display the People page with the Status is Active filter applied.
🐛 Bug report
Status

Needs work

Version

9.5

Component
Routing  →

Last updated 10 days ago

Created by

🇺🇸United States puddyglum Elk Grove, CA

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  • Needs tests

    The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.

  • Needs subsystem maintainer review

    It is used to alert the maintainer(s) of a particular core subsystem that an issue significantly impacts their subsystem, and their signoff is needed (see the governance policy draft for more information). Also, if you use this tag, make sure the issue component is set to the correct subsystem. If an issue significantly impacts more than one subsystem, use needs framework manager review instead.

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