The new 'object_ids' parameter for `WP_Term_Query` allows queries for
terms that "belong to" a given object. This change makes it possible
to use `WP_Term_Query` inside of `wp_get_object_terms()`, rather than
assembling a SQL query.
The refactor has a couple of benefits:
* Less redundancy.
* Better consistency in accepted arguments between the term query functions. See #31105.
* Less redundancy.
* Object term queries are now cached. The `get_object_term_cache()` cache remains, and will be a somewhat less fragile secondary cache in front of the query cache (which is subject to frequent invalidation).
* Less redundancy.
A small breaking change: Previously, if a non-hierarchical taxonomy had
terms that had a non-zero 'parent' (perhaps because of a direct SQL
query), `wp_get_object_terms()` would respect the 'parent' argument.
This is in contrast to `WP_Term_Query` and `get_terms()`, which have
always rejected 'parent' queries for non-hierarchical taxonomies. For
consistency, the behavior of `get_terms()` is being applied across the
board: passing 'parent' for a non-hierarchical taxonomy will result in
an empty result set (since the cached taxonomy hierarchy will be empty).
Props flixos90, boonebgorges.
See #37198.
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Previously, if a network's domain started with `www.` in a subdomain configuration, a slug lookup with `get_id_from_blogname()` would not match an existing site. A similar lookup in a subdirectory configuration would work fine.
This strips `www.` from the network's domain in a subdomain configuration during the lookup and returns the site as expected.
Adds tests which would previously fail in a subdomain configuration, but now pass in both configurations.
Props igmoweb, flixos90.
Fixes#34450.
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`wp-admin/network/admin.php` is required by all of the individual network templates and begins with an `is_multisite()` check of its own. Because of this, we can remove the 26 other checks in the individual templates.
Props flixos90.
Fixes#37447.
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Removes contents for sections and panels from being logically nested (in the DOM) in order to eliminate many issues related to using `margin-top` hacks. The element containing the link to expand the content element for panels and sections is now a sibling element to its content element: the content is removed from being nested at initialization. The content element is now available in a `contentContainer` property whereas the head element (containing the link to open the construct) is in a `headContainer` property. The existing `container` property is now a jQuery collection that contains both of these elements. Since the head element is no longer in an ancestor element to the `content` element, the `aria-owns` property is now used to maintain the relationship between the `headContainer` and the `contentContainer`. These changes are also accompanied by an improvement to the animation performance for the sliding panes.
Props delawski, celloexpressions.
Fixes#34391.
Fixes#34344.
Fixes#35947.
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Bulk action filtering was introduced in 3.1, but only to remove default bulk actions, not add new ones.
Bulk actions can now be registered for all admin list table dropdowns via the `bulk_actions-{get_current_screen()->id}` filter. Handling custom bulk actions can be performed in the corresponding and newly introduced `handle_bulk_actions-${get_current_screen()->id}` filter.
Props scribu, flixos90, Veraxus.
See #16031.
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In rare circumstances, for example buttons with icons and no visible text,
`user-select: none;` may trigger a bug that happens only when using Safari and
VoiceOver and doesn't allow focusable elements to receive focus correctly.
Worth reminding `user-select: none;` is a non-standard property and should be
used with care especially now that `::selection` is almost universally supported.
Fixes#37589.
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- adds "Apply Filters" and "Clear" at the end of the form
- changes the "Feature Filter", "Apply Filters", "Clear", and "Edit" links in `<button>` elements
- removes a leftover from [27963]
- clarifies one button text and adds an `aria-label` attribute
- adds a `wp.a11y.speak()` message when clicking on "Apply Filters" and no features are selected
Fixes#38086.
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`register_setting` can now be passed an array arguments to specify meta-data about the setting,
much like using the `register_meta` API. Of note, it will now accept a `show_in_rest` arg to
hint the inclusion of the setting in the REST API. `get_registered_settings()` is available
as a utility to get all registered settings.
Props rmccue, aaroncampbell.
Fixes#37885.
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Previously, `compact()` provided a non existent `$join` and could cause confusion for anyone attempting to extend `WP_Site_Query` with their own tables. This aligns with the current behavior in `WP_Network_Query`.
Props johnjamesjacoby.
Fixes#37922.
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This applies a new private function, `_filter_query_attachment_filenames()`,
to the `post_clauses` filter hook during `wp_ajax_query_attachments()` and
`wp_edit_attachments_query_vars()` to include `_wp_attached_file` post meta
in search queries performed from the media library or in a `WP_Media_List_Table`.
Props wonderboymusic, DrewAPicture, joemcgill, swissspidy.
Fixes#22744.
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If there are no pages when the customizer is opened, the `static_front_page` section will be hidden. As soon as a page is created in the customizer session, the `static_front_page` section will be revealed. Previously the section would not be registered if there were no pages. Page stubs created via nav menus will appear in the `dropdown-pages` controls for `page_for_posts` and `page_on_front`, and such page stubs will thus cause the `static_front_page` section to appear. Plugins that facilitate page creation in the customizer by filtering `get_pages` will also cause the section to appear.
See #34923.
Fixes#38013.
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Boone Gorges
Weston Ruter
Sergey Biryukov
Jeremy Felt
Dominik Schilling
John Blackbourn
Andrea Fercia
Eric Lewis
Joe Hoyle
Pascal Birchler
Joe McGill