This change reinstates the previous de facto behavior of `category_description()`.
See [40979], [42364]. Because `term_description()` no longer passes `$taxonomy` to
`get_term_field()`, the parameter is no longer needed and has been deprecated.
Fixes#42605. See #42771.
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Prior to 4.9, this function was accidentally taxonomy-agnostic in most cases.
The fix in [40979] caused a regression in this function. For backward
compatibility, we make it explicit that the query is by ID only.
See #42771.
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Prior to version 4.9, a quirk in the implementation of `get_term()` caused
`get_category_link( 123 )` to fetch the taxonomy archive link for term 123
even if 123 is not in the 'category' taxonomy. The quirk was fixed in [40979];
see #40671. This bugfix introduced a regression for theme authors who were
expecting the old behavior.
By lifting the 'category' restriction, we allow the template function to work
in the old way.
Fixes#42717. See #42771.
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- improves accessibility using an aria-label attribute to match the information conveyed visually with the one exposed to assistive technologies
- adds an option in the widget to display the item counts, consistently with what other widgets already do (Archives, Categories)
Props adamsoucie, emirpprime, Samantha Miller., MikeLittle, rianrietveld, sami.keijonen, adamsilverstein, westonruter, afercia.
See #24766.
Fixes#35566.
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`get_category_link()` is a wrapper for `get_term_link()`. Using the
unwrapped function makes more sense semantically (it's taxonomy-
agnostic) and it's also more parsimonious (the `WP_Error` check in
`get_category_link()` is redundant with similar checks just before
in `get_term_link()`).
Props keesiemeijer.
Fixes#17069.
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In addition to `wp_list_filter()` for filtering a list of objects, and `wp_list_pluck()` for plucking a certain field out of each object in a list, this new function can be used for sorting a list of objects by specific fields. These functions are now all contained within the new `WP_List_Util()` class and `wp_list_sort()` is used in various parts of core for sorting lists.
This was previously committed in [38859] but got reverted in [38862] and [38863]. To fix the previous issues, `wp_list_sort()` supports now an additional argument to preserve array keys via `uasort()`.
Props flixos90, DrewAPicture, jorbin.
Fixes#37128.
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In addition to `wp_list_filter()` for filtering a list of objects, and `wp_list_pluck()` for plucking a certain field out of each object in a list, this new function can be used for sorting a list of objects by specific fields. These functions are now all contained within the new `WP_List_Util()` class and `wp_list_sort()` is used in various parts of core for sorting lists.
Props flixos90, DrewAPicture, jorbin.
Fixes#37128.
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Previously, objects containing all data about a term were stored in each
object's term cache. Besides being wasteful, this approach caused invalidation
issues, as when a modified term count required a flush for all objects
belonging to the term.
Backward compatibility is maintained for plugins that continue to put object
data directly into the `{$taxonomy}_relationships` cache bucket.
Fixes#36814.
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[34696] introduced a regression whereby comma-separated values for 'exclude'
and 'exclude_tree' would be handled improperly when merging the two parameters,
resulting in category IDs being incorrectly dropped from the combined array.
Props gblsm, hnle.
Fixes#35156.
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`wp_get_object_terms()` can return a `WP_Error` object. As such, the
`get_the_terms()` cache wrapper should handle them properly. To wit:
* Don't try to map an error object to `get_term()`. Introduced in [35032].
* Don't cache an error object as taxonomy relationships. Introduced in at least [16487], maybe earlier.
Props stephenharris.
Fixes#34723.
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The data stored in the cache should be raw database query results, not
`WP_Term` objects (which may be modified by plugins, and may contain additional
properties that shouldn't be cached).
If term relationships caches were handled in `wp_get_object_terms()` - where
a database query takes place - it would be straightforward to cache raw data.
See #34239. Since, in fact, `get_the_terms()` caches the value it gets from
`wp_get_object_terms()`, we need a technique that allows us to get raw data
from a `WP_Term` object. Mirroring `WP_User`, we introduce a `data` property
on term objects, which `get_the_terms()` uses to fetch cacheable term info.
Fixes#34262.
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The 'exclude_tree' parameter must be compatible with 'hierarchical';
previously, 'hierarchical' canceled it out. This changeset also makes it so
that 'exclude_tree' is compatible with 'exclude'. When both are passed, and
'hierarchical' is true, the descendant trees of terms in both parameters will
be excluded from matched terms.
Props tott, webord, MikeHansenMe.
Fixes#12981.
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Used to filter categories as structured data, before building markup in
`get_the_category_list()`.
We use this filter in addition to upstream filters (such as
'get_the_categories'`) because those upstream filters are used in numerous
contexts, while `'the_category_list'` is always used for generating markup
for display.
Props KevinB, ericlewis, SergeyBiryukov, DrewAPicture.
Fixes#9227.
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When generating a `<ul>` using `wp_list_categories()`, a title `<li>` element
is put at the top of the term list. Current behavior is that this title `<li>`
appears even when no terms are found. The new `hide_title_if_no_cats` param
allows developers to specify that the title should be hidden when the term list
is empty.
Props vilkatis.
Fixes#33460.
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As of [32484], `wp_dropdown_categories()` uses the `$value_field` value to
decide whether a given `<option>` should be 'selected'. However, `$value_field`
can refer to a value that is a string, such as a category's slug. This causes
problems when doing a loose comparison (`==`) with the value of the `'selected'`
parameter, which defaults to `0`, because when doing a loose comparison
between an integer and a string, PHP will cast the string to an integer. This
creates false matches, resulting in `<option>` elements getting a 'selected'
attribute incorrectly.
We address the issue by casting the comparison values to strings, and then
using the strict comparison operator `===`.
Fixes#33452 for trunk.
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This filter allows developers to modify the data that is used to create tag
clouds, without having to manipulate the tag cloud markup directly.
As part of the refactor, this changeset also adds a few unit tests for the way
`wp_generate_tag_cloud()` generates the 'title' attribute, as well as
improvements to output escaping.
Props flixos90, ysalame.
Fixes#24656.
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* Clarify/add some `return` docs.
* In `walk_category_tree()` and `walk_category_dropdown_tree()`, make behavior consistent and don't pass `$walker` by-reference - it is no longer necessary to do that with object instances.
See #32444.
Built from https://develop.svn.wordpress.org/trunk@32531
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In PHP 5.3.0, `is_a()` is no longer deprecated, and will therefore no longer throw `E_STRICT` warnings.
To avoid warnings in PHP < 5.3.0, convert all `is_a()` calls to `$var instanceof WP_Class` calls.
`instanceof` does not throw any error if the variable being tested is not an object, it simply returns `false`.
Props markoheijnen, wonderboymusic.
Fixes#25672.
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This enhancement requires a modification in the way that `wp_dropdown_categories()`
prepares its arguments for `get_terms()`, so that its unrelated 'name' param is
not mistaken for the new 'name' argument in `get_terms()`.
Props danielbachhuber.
Fixes#30611.
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The new 'value_field' parameter makes it possible to set term slugs (or some
other term property) as the 'value' attribute of the option elements generated
by `wp_dropdown_categories()`. This additional flexibility reduces the effort
required to translate term_id to other term fields when processing form
submissions that include values from taxonomy dropdowns. See #30865 for a
use case.
Props collinsinternet.
Fixes#30306.
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Per our inline documentation standards, no further use of the `@uses` tag is recommended as used and used-by relationships can be derived through other means. This removes most uses of the tag in core documentation, with remaining tags to be converted to `@global` or `@see` as they apply.
Fixes#30191.
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