Peer Categories

აღწერა

This plugin provides a template tag which acts a modified version of WordPress’s built-in template tag, the_category(). the_category() lists all categories directly assigned to the specified post. c2c_peer_categories() lists those categories PLUS any categories that are peer to those categories and MINUS categories that are parents to other assigned categories. Peer categories are categories that all share the same category parent.

For example, assume your category structure is hierarchical and looks like this:

Vegetables
|-- Leafy
|   |-- Broccoli
|   |-- Bok Choy
|   |-- Celery
|-- Fruiting
|   |-- Bell Pepper
|   |-- Cucumber
|   |-- Pumpkin
|-- Podded
|   |-- Chickpea
|   |-- Lentil
|   |-- Soybean

If you directly assigned the categories “Fruiting” and “Pumpkin” to a post, peer_categories() would return a list that consists of: “Bell Pepper”, “Cucumber”, and “Pumpkin”. Notice that since “Fruiting” was a parent to a directly assigned category, it and its peers are not included in the list. If only “Fruiting” were selected as a category, then “Leafy”, “Fruiting”, and “Podded” would have been listed.

By default, categories are listed as an HTML list. The first argument to the template tag allows you to define a custom separator, e.g. to have a simple comma-separated list of peer categories: <?php c2c_peer_categories(', '); ?>.

As with categories listed via the_category(), categories that are listed are presented as links to the respective category’s archive page.

Example usage (based on preceding example):

  • <?php c2c_peer_categories(); ?>

Outputs something like:

<ul><li><a href="https://example.com/category/fruiting/bell-pepper">Bell Pepper</a></li>
<li><a href="https://example.com/category/fruiting/cucumber">Cucumber</a></li>
<li><a href="https://example.com/category/fruiting/pumpkin">Pumpkin</a></li></ul>
  • <?php c2c_peer_categories( ', ' ); ?></ul>

Outputs something like:

<a href="https://example.com/category/fruiting/bell-pepper">Bell Pepper</a>, <a href="https://example.com/category/fruiting/cucumber">Cucumber</a>, <a href="https://example.com/category/fruiting/pumpkin">Pumpkin</a>

Links: Plugin Homepage | Plugin Directory Page | GitHub | Author Homepage

Developer Documentation

Developer documentation can be found in DEVELOPER-DOCS.md. That documentation covers the template tags and hooks provided by the plugin.

As an overview, these are the template tags provided by the plugin:

  • c2c_peer_categories() : Outputs the peer categories.
  • c2c_get_peer_categories_list() : Returns the list of peer categories.
  • c2c_get_peer_categories() : Returns the list of peer categories for the specified post.

These are the hooks provided by the plugin:

  • c2c_peer_categories (action), c2c_get_peer_categories_list, c2c_get_peer_categories (filters) :
    Allows for an alternative approach to safely invoke each of the identically named functions in such a way that if the plugin were deactivated or deleted, then your calls to the functions won’t cause errors on your site.
  • c2c_peer_categories_list (filter) :
    Customizes the return value of the c2c_peer_categories_list() function.
  • c2c_get_peer_categories_omit_ancestors (filter) :
    Customizes the function argument indicating if ancestor categories of all directly assigned categories (even if directly assigned themselves) should be omitted from the return list of categories.

დაყენება

  1. Install via the built-in WordPress plugin installer. Or install the plugin code inside the plugins directory for your site (typically /wp-content/plugins/).
  2. Activate the plugin through the ‘Plugins’ admin menu in WordPress
  3. Optional: Add filters for ‘c2c_peer_categories_list’ to filter peer category listing
  4. Use the template tag <?php c2c_peer_categories(); ?> in a theme template somewhere inside “the loop”

ხდკ

Why isn’t an assigned category for the post showing up in the ‘c2c_peer_categories()’ listing?

If an assigned category is the parent for one or more other assigned categories for the post, then the category parent is not included in the listing. Only peers to the lowest-level assigned categories are considered.

Does this plugin include unit tests?

Yes. The tests are not packaged in the release .zip file or included in plugins.svn.wordpress.org, but can be found in the plugin’s GitHub repository.

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მონაწილეები & დეველოპერები

“Peer Categories” ღია პროგრამული უზრუნველყოფაა. შემდეგმა ადამიანებმა წვილი შეიტანეს მის განვითარებაში.

მონაწილეები

გადათარგმნეთ Peer Categories თქვენს ენაზე.

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ცვლილებები

2.3 (2024-08-28)

Highlights:

This minor release prevents translations from containing unintended markup, removes unnecessary functionality within c2c_get_peer_categories(), notes compatibility through WP 6.6+, removes unit tests from release packaging, and updates copyright date (2024).

Details:

  • Change: Remove behavior of c2c_get_peer_categories() potentially returning all top-level categories
  • Change: Prevent translations from containing unintended markup
  • Change: Add missing inline comment for translators
  • Change: Note compatibility through WP 6.6+
  • Change: Add missing inline documentation for a filter argument
  • Change: Update copyright date (2024)
  • Change: Remove development and testing-related files from release packaging
  • New: Add .gitignore file
  • Unit tests:
    • Allow tests to run against current versions of WordPress
    • New: Add composer.json for PHPUnit Polyfill dependency
    • Hardening: Prevent direct web access to bootstrap.php
    • Change: In bootstrap, store path to plugin directory in a constant
    • Change: Prevent PHP warnings due to missing core-related generated files
    • New: Add tests for c2c_peer_categories()
    • New: Add tests for function invocation filters
    • Change: Tweak some inline comment formatting

2.2.1 (2023-05-20)

  • Change: Note compatibility through WP 6.3+
  • Change: Update copyright date (2023)

2.2 (2021-10-23)

Highlights:

This minor release removes support for long-deprecated functions (peer_categories(), get_peer_categories_list(), get_peer_categories()), adds DEVELOPER-DOCS.md, notes compatibility through WP 5.8+, and minor reorganization and tweaks to unit tests.

Details:

  • Change: Remove long-deprecated functions peer_categories(), get_peer_categories_list(), and get_peer_categories()
  • New: Add DEVELOPER-DOCS.md and move template tag and hooks documentation into it
  • Change: Tweak installation instruction
  • Change: Note compatibility through WP 5.8+
  • Change: Pare down tags in readme.txt header
  • Unit tests:
    • Change: Restructure unit test directories
      • Change: Move phpunit/ into tests/phpunit/
      • Change: Move phpunit/bin/ into tests/
    • Change: Remove ‘test-‘ prefix from unit test file
    • Change: In bootstrap, store path to plugin file constant
    • Change: In bootstrap, add backcompat for PHPUnit pre-v6.0

Full changelog is available in CHANGELOG.md.