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340 Commits

Author SHA1 Message Date
Sergey Biryukov 38676936ba Coding Standards: Use strict type check for `in_array()` and `array_search()` where strings are involved. 
This reduces the number of `WordPress.PHP.StrictInArray.MissingTrueStrict` issues from 486 to 50.

Includes minor code layout fixes for better readability.

See #49542.
Built from https://develop.svn.wordpress.org/trunk@47550


git-svn-id: http://core.svn.wordpress.org/trunk@47325 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2020-04-05 03:02:11 +00:00
Sergey Biryukov ca8463f4f4 Docs: Use third-person singular verbs for function descriptions in `wp-includes/category-template.php`, per the documentation standards. 
See #49572.
Built from https://develop.svn.wordpress.org/trunk@47545


git-svn-id: http://core.svn.wordpress.org/trunk@47320 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2020-04-02 15:51:08 +00:00
Sergey Biryukov 641c632b0c Coding Standards: Use Yoda conditions where appropriate. 
See #49222.
Built from https://develop.svn.wordpress.org/trunk@47219


git-svn-id: http://core.svn.wordpress.org/trunk@47019 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2020-02-09 16:55:09 +00:00
Sergey Biryukov 001ffe81fb Docs: Improve inline comments per the documentation standards. 
Includes minor code layout fixes for better readability.

See #48303.
Built from https://develop.svn.wordpress.org/trunk@47122


git-svn-id: http://core.svn.wordpress.org/trunk@46922 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2020-01-29 00:45:18 +00:00
Sergey Biryukov 6cf32058ff Docs: Expand `@return` description for `the_terms()`. 
See #48303.
Built from https://develop.svn.wordpress.org/trunk@47103


git-svn-id: http://core.svn.wordpress.org/trunk@46903 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2020-01-22 00:41:06 +00:00
Sergey Biryukov dd79e6e107 Docs: Correct DocBlock formatting for filters accepting the `$parsed_args` parameter. 
Follow-up to [45667].

See #48303.
Built from https://develop.svn.wordpress.org/trunk@47096


git-svn-id: http://core.svn.wordpress.org/trunk@46896 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2020-01-21 15:41:04 +00:00
Sergey Biryukov dd4d98a368 Docs: In various `@return` tags, list the expected type first, instead of `false`. 
Follow-up to [46696].

See #48303.
Built from https://develop.svn.wordpress.org/trunk@47060


git-svn-id: http://core.svn.wordpress.org/trunk@46860 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2020-01-11 18:32:05 +00:00
John Blackbourn f93ee2ca76 Docs: Increase the specificity of various docblock parameter types and return types. 
See #48303
Built from https://develop.svn.wordpress.org/trunk@46823


git-svn-id: http://core.svn.wordpress.org/trunk@46623 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-12-06 22:43:04 +00:00
Sergey Biryukov 8d1e51e9c7 Docs: Add a `@since` note about new parameters with the spread operator added to function signatures. 
Props jrf.
See #47678.
Built from https://develop.svn.wordpress.org/trunk@46451


git-svn-id: http://core.svn.wordpress.org/trunk@46249 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-10-09 04:28:02 +00:00
Sergey Biryukov 654f8a8677 Code Modernisation: Introduce the spread operator in `wp-includes/category-template.php`. 
Rather than relying `func_get_args()` to retrieve arbitrary function arguments, we can now use the spread operator to assign them directly to a variable.

Props jrf.
See #47678.
Built from https://develop.svn.wordpress.org/trunk@46123


git-svn-id: http://core.svn.wordpress.org/trunk@45935 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-09-15 10:33:55 +00:00
Sergey Biryukov e199663322 I18N: Capitalize translator comments consistently, add trailing punctuation. 
Includes minor code layout fixes.

See #44360.
Built from https://develop.svn.wordpress.org/trunk@45932


git-svn-id: http://core.svn.wordpress.org/trunk@45743 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-09-03 00:41:05 +00:00
Sergey Biryukov 16b8d91baa I18N: Improve translator comments. 
* Add missing translator comments.
* Fix placement of some translator comments. Translator comments should be on the line directly above the line containing the translation function call for optimal compatibility with various `.pot` file generation tools. The CS auto-fixing, which changed some inconsistent function calls to multi-line function calls, is part of the reason why this was no longer the case for a select group of translator comments.

Includes minor code layout fixes.

Polyglots, rejoice! All WordPress core files now have translator comments for all strings with placeholders!

Props jrf, subrataemfluence, GaryJ, webdados, Dency, swissspidy, alvarogois, marcomartins, mihaiiceyro, vladwtz, niq1982, flipkeijzer, michielatyoast, chandrapatel, thrijith, joshuanoyce, FesoVik, tessak22, bhaktirajdev, cleancoded, dhavalkasvala, garrett-eclipse, bibliofille, socalchristina, priyankkpatel, 5hel2l2y, adamsilverstein, JeffPaul, pierlo, SergeyBiryukov.
Fixes #44360.
Built from https://develop.svn.wordpress.org/trunk@45926


git-svn-id: http://core.svn.wordpress.org/trunk@45737 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-09-01 17:13:59 +00:00
Sergey Biryukov baffd21844 Docs: Reference `WP_Term_Query::__construct()` in `wp_list_categories()` DocBlock for additional accepted arguments. 
Clarify that `wp_dropdown_categories()` always returns a string, regardless of the `echo` parameter.

See #47896, #47110.
Built from https://develop.svn.wordpress.org/trunk@45895


git-svn-id: http://core.svn.wordpress.org/trunk@45706 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-08-26 17:00:55 +00:00
Boone Gorges d1ac7170dc Taxonomy: Standardize docs for `wp_list_categories()`. 
Many of the parameters historically documented on this function are merely
passed through to `get_categories()` and its underlying functions. In order to
avoid unnecessary duplication of function arguments, we remove documentation of
these parameters, and replace it with reference to the wrapped functions.

Parameters that receive special treatment or are otherwise changed before
being passed through continue to be documented as part of `wp_list_categories()`.

Props audrasjb, itowhid06, birgire.
Fixes #47896.
Built from https://develop.svn.wordpress.org/trunk@45894


git-svn-id: http://core.svn.wordpress.org/trunk@45705 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-08-26 15:24:55 +00:00
Sergey Biryukov b1e34ccc1f Docs: Add missing description for `$wp_rewrite` global. 
See #45604, #47110.
Built from https://develop.svn.wordpress.org/trunk@45735


git-svn-id: http://core.svn.wordpress.org/trunk@45546 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-08-04 01:19:56 +00:00
Sergey Biryukov c26f1c5d90 Taxonomy: Fix deprecated calls to `get_terms()`. 
The taxonomy should be passed as part of `$args`, rather than as its own argument.

Props sgastard, mukesh27, SergeyBiryukov.
Fixes #47819.
Built from https://develop.svn.wordpress.org/trunk@45723


git-svn-id: http://core.svn.wordpress.org/trunk@45534 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-08-03 03:35:56 +00:00
Sergey Biryukov 5522be31e7 Coding Standards: Use correct variable in `wp_dropdown_categories()` after [45667]. 
See #45059.
Built from https://develop.svn.wordpress.org/trunk@45668


git-svn-id: http://core.svn.wordpress.org/trunk@45479 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-07-25 01:07:54 +00:00
Sergey Biryukov 18bd01985b Coding Standards: Rename `$r` variable used with `wp_parse_args()` to `$parsed_args` for clarity. 
Props freewebmentor.
Fixes #45059.
Built from https://develop.svn.wordpress.org/trunk@45667


git-svn-id: http://core.svn.wordpress.org/trunk@45478 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-07-25 00:48:58 +00:00
Gary Pendergast a02b5cc2a8 Coding Standards: Mark the handful of hook names with uppercase characters or hyphens as ignored. 
See #47632.


Built from https://develop.svn.wordpress.org/trunk@45599


git-svn-id: http://core.svn.wordpress.org/trunk@45410 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-07-05 01:45:56 +00:00
Gary Pendergast 4803fc405e Coding Standards: Fix the `Squiz.PHP.DisallowMultipleAssignments` violations in `wp-includes`. 
See #47632.


Built from https://develop.svn.wordpress.org/trunk@45590


git-svn-id: http://core.svn.wordpress.org/trunk@45401 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-07-02 23:42:58 +00:00
Gary Pendergast 55af0f0d0a Coding Standards: Fix/ignore the `WordPress.NamingConventions.ValidFunctionName` violations. 
See #47632


Built from https://develop.svn.wordpress.org/trunk@45580


git-svn-id: http://core.svn.wordpress.org/trunk@45391 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-07-01 08:01:57 +00:00
Gary Pendergast 3a697f7f46 Coding Standards: Remove an unnecessary line whitelisting. 
Props jrf.
See #45934.


Built from https://develop.svn.wordpress.org/trunk@44572


git-svn-id: http://core.svn.wordpress.org/trunk@44403 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-01-12 04:53:51 +00:00
Gary Pendergast 57fcb7d8dd Coding Standards: Fix an incorrect `phpcs:ignore` comment. 
It's `phpcs:ignore`, not `wpcs:ignore`.

Props GaryJ.

See #45934.


Built from https://develop.svn.wordpress.org/trunk@44570


git-svn-id: http://core.svn.wordpress.org/trunk@44401 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-01-12 03:49:49 +00:00
Gary Pendergast c008959e9e Coding Standards: Fix the minor `WordPress.WP.I18n` violations. 
`WordPress.WP.I18n.MissingTranslatorsComment` is in progress in #44360.

See #45934.


Built from https://develop.svn.wordpress.org/trunk@44562


git-svn-id: http://core.svn.wordpress.org/trunk@44393 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2019-01-11 06:04:49 +00:00
Gary Pendergast 56c162fbc9 Coding Standards: Upgrade WPCS to 1.0.0 
WPCS 1.0.0 includes a bunch of new auto-fixers, which drops the number of coding standards issues across WordPress significantly. Prior to running the auto-fixers, there were 15,312 issues detected. With this commit, we now drop to 4,769 issues.

This change includes three notable additions:
- Multiline function calls must now put each parameter on a new line.
- Auto-formatting files is now part of the `grunt precommit` script. 
- Auto-fixable coding standards issues will now cause Travis failures.

Fixes #44600.


Built from https://develop.svn.wordpress.org/trunk@43571


git-svn-id: http://core.svn.wordpress.org/trunk@43400 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2018-08-17 01:51:36 +00:00
Sergey Biryukov 9a11487e22 Taxonomy: In `category_description()`, don't pass the `$taxonomy` parameter to `term_description()`. 
The parameter was deprecated in [42368] and is now unused.

Props chetan200891.
Fixes #43381. See #42771.
Built from https://develop.svn.wordpress.org/trunk@42890


git-svn-id: http://core.svn.wordpress.org/trunk@42720 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2018-03-28 23:25:29 +00:00
John Blackbourn bbcb4300a3 Docs: Correct and improve various inline documentation. 
See #42505

Built from https://develop.svn.wordpress.org/trunk@42877


git-svn-id: http://core.svn.wordpress.org/trunk@42707 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2018-03-25 19:35:29 +00:00
John Blackbourn b13e73d05c Docs: Document more parameters and properties using typed array notation. 
See #41756

Built from https://develop.svn.wordpress.org/trunk@42875


git-svn-id: http://core.svn.wordpress.org/trunk@42705 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2018-03-25 18:10:32 +00:00
Dominik Schilling 5c291d49de Pinking shears. 
See #41057.
Built from https://develop.svn.wordpress.org/trunk@42843


git-svn-id: http://core.svn.wordpress.org/trunk@42673 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2018-03-18 14:23:33 +00:00
Drew Jaynes 6e665d1f15 Docs: Link to the "Conditional Tags" article in the Theme Developer Handbook from the descriptions for a variety of core conditional tag functions. 
These notations largely serve to direct consumers (of both the source and the parsed code reference) to extended information on individual and related conditional tags throughout WordPress. The changeset also standardizes corresponding DocBlock summaries to use third-person singular verbs.

Notations been added for the following functions:

* comments_open()
* email exists()
* has_excerpt()
* has_post_thumbnail()
* has_tag()
* in_category()
* in_the_loop()
* is_404()
* is_active_sidebar()
* is_active_widget()
* is_admin()
* is_admin_bar_showing()
* is_archive()
* is_attachment()
* is_author()
* is_blog_installed()
* is_category()
* is_comments_popup()
* is_date()
* is_day()
* is_dynamic_sidebar()
* is_feed()
* is_front_page()
* is_home()
* is_local_attachment()
* is_main_query
* is_month()
* is_multi_author
* is_new_day()
* is_page()
* is_page_template()
* is_paged()
* is_plugin_active()
* is_plugin_active_for_network()
* is_plugin_inactive()
* is_plugin_page()
* is_post_type_archive()
* is_preview()
* is_rtl()
* is_search()
* is_single()
* is_singular()
* is_sticky()
* is_tag()
* is_tax()
* is_taxonomy_hierarchical()
* is_time()
* is_trackback()
* is_user_logged_in()
* is_year()
* pings_open()
* post_type_exists()
* taxonomy_exists()
* term_exists()
* username exists()
* wp_attachment_is_image()
* wp_script_is()

Props janalwin.
Fixes #43254.

Built from https://develop.svn.wordpress.org/trunk@42710


git-svn-id: http://core.svn.wordpress.org/trunk@42538 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2018-02-13 16:54:31 +00:00
Drew Jaynes 9dd9913ecd Docs: Document default arguments for `wp_tag_cloud()` in a hash notation, noting that full lists of additionally-supported arguments are already documented in `get_terms()` and `wp_generate_tag_cloud()`. 
Props birgire, johnbillion.
Fixes #42019.

Built from https://develop.svn.wordpress.org/trunk@42658


git-svn-id: http://core.svn.wordpress.org/trunk@42487 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2018-02-07 15:22:34 +00:00
Boone Gorges 699025a785 Taxonomy: Restore deprecated argument to `term_description()` signature. 
This ensures that the parameter can't be reused for something else
in the future.

Props jorbin.
Fixes #42605.
Built from https://develop.svn.wordpress.org/trunk@42417


git-svn-id: http://core.svn.wordpress.org/trunk@42248 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-12-22 02:48:51 +00:00
Boone Gorges 39c7daf7db `category_description()` should be taxonomy-agnostic. 
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.
Built from https://develop.svn.wordpress.org/trunk@42368


git-svn-id: http://core.svn.wordpress.org/trunk@42197 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-12-04 21:49:46 +00:00
Boone Gorges bc769416d8 `get_the_category_by_ID()` should be taxonomy-agnostic. 
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.
Built from https://develop.svn.wordpress.org/trunk@42367


git-svn-id: http://core.svn.wordpress.org/trunk@42196 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-12-04 21:03:48 +00:00
Boone Gorges 1abbaa0f74 Fix regression in `get_tag_link()` since 4.9. 
See [42364] for description of the problem.

Because `get_category_link()` is now totally taxonomy-agnostic, `get_tag_link()`
can become a simple wrapper.

Props juiiee8487, markjaquith.
See #42771.
Built from https://develop.svn.wordpress.org/trunk@42366


git-svn-id: http://core.svn.wordpress.org/trunk@42195 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-12-04 20:52:48 +00:00
Boone Gorges d8215873a2 Don't do a strict taxonomy check in `get_category_link()`. 
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.
Built from https://develop.svn.wordpress.org/trunk@42364


git-svn-id: http://core.svn.wordpress.org/trunk@42193 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-12-04 20:39:45 +00:00
Gary Pendergast aaf99e6913 Code is Poetry. 
WordPress' code just... wasn't.
This is now dealt with.

Props jrf, pento, netweb, GaryJ, jdgrimes, westonruter, Greg Sherwood from PHPCS, and everyone who's ever contributed to WPCS and PHPCS.
Fixes #41057.


Built from https://develop.svn.wordpress.org/trunk@42343


git-svn-id: http://core.svn.wordpress.org/trunk@42172 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-11-30 23:11:00 +00:00
Sergey Biryukov a47a253e90 Taxonomy: After [40903], restore documentation for `wp_dropdown_categories()` arguments that are different from the defaults in `WP_Term_Query::__construct()`. 
Fixes #41058.
Built from https://develop.svn.wordpress.org/trunk@41767


git-svn-id: http://core.svn.wordpress.org/trunk@41601 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-10-05 01:57:48 +00:00
John Blackbourn 4981452aba General: Fix more instances of inconsistent parameters passed to various filters, plus fix some filter docs. 
See #38462, #41017

Built from https://develop.svn.wordpress.org/trunk@41221


git-svn-id: http://core.svn.wordpress.org/trunk@41061 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-08-03 16:13:44 +00:00
Drew Jaynes dfab72aa35 Docs: Default for the `orderby` argument in `wp_list_categories()` is actually 'name', not 'ID'. 
Props uicestone.
See #41017.

Built from https://develop.svn.wordpress.org/trunk@41033


git-svn-id: http://core.svn.wordpress.org/trunk@40883 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-07-12 22:06:39 +00:00
Boone Gorges 736e6a2977 Simplify documentation for `wp_dropdown_categories()`. 
Props ArnaudBan.
Fixes #41058.
Built from https://develop.svn.wordpress.org/trunk@40903


git-svn-id: http://core.svn.wordpress.org/trunk@40753 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-06-15 09:39:42 +00:00
Andrea Fercia bdad500af7 Widgets: Remove the title attributes used in the Tag cloud widget. 
- 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.

Built from https://develop.svn.wordpress.org/trunk@40816


git-svn-id: http://core.svn.wordpress.org/trunk@40674 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-05-22 20:24:41 +00:00
Sergey Biryukov 47aab2faad Docs: Clarify that `get_the_category_list()` and `the_category()` display links as an unordered list by default. 
See #39130.
Built from https://develop.svn.wordpress.org/trunk@40043


git-svn-id: http://core.svn.wordpress.org/trunk@39980 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-02-05 15:16:44 +00:00
Sergey Biryukov 9d7ea04936 I18N: Merge similar strings in `_deprecated_argument()` calls. 
Add translator comments.

Props ramiy, SergeyBiryukov.
Fixes #39020.
Built from https://develop.svn.wordpress.org/trunk@40028


git-svn-id: http://core.svn.wordpress.org/trunk@39965 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2017-01-29 11:50:41 +00:00
John Blackbourn 80a839de13 Docs: Misc corrections and additions to inline documentation. 
See #39130
Props keesiemeijer

Built from https://develop.svn.wordpress.org/trunk@39639


git-svn-id: http://core.svn.wordpress.org/trunk@39579 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2016-12-27 09:28:40 +00:00
John Blackbourn d327c92e4b Docs: Add and correct `@since` docs for a variety of functions and methods. 
Props keesiemeijer, chris_dev
Fixes #39343, #39357, #39344
See #39130

Built from https://develop.svn.wordpress.org/trunk@39638


git-svn-id: http://core.svn.wordpress.org/trunk@39578 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2016-12-27 09:21:44 +00:00
Boone Gorges aa644128d6 Taxonomy: Use `get_term_link()` instead of `get_category_link()` in `get_term_parents_list()`. 
`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.
Built from https://develop.svn.wordpress.org/trunk@39593


git-svn-id: http://core.svn.wordpress.org/trunk@39533 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2016-12-13 02:57:41 +00:00
Boone Gorges 74b6e1ba86 Taxonomy: Introduce `get_term_parents_list()`. 
This new function is a taxonomy-agnostic version of `get_category_parents()`.

Props keesiemeijer, SergeyBiryukov, rafaehlers.
Fixes #17069.
Built from https://develop.svn.wordpress.org/trunk@39549


git-svn-id: http://core.svn.wordpress.org/trunk@39489 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2016-12-09 16:10:42 +00:00
John Blackbourn 042d09001a Taxonomy: Correct the type for the first parameter of the `the_category` filter. 
See #39130

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git-svn-id: http://core.svn.wordpress.org/trunk@39470 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2016-12-07 01:23:42 +00:00
Sergey Biryukov 480501c6a8 Taxonomy: Prevent `wp_list_categories()` from producing not well-nested output if `hide_title_if_empty` is true. 
Props chesio.
Fixes #38839. See #33460.
Built from https://develop.svn.wordpress.org/trunk@39280


git-svn-id: http://core.svn.wordpress.org/trunk@39220 1a063a9b-81f0-0310-95a4-ce76da25c4cd
 2016-11-17 18:02:30 +00:00