Commit Graph

36068 Commits

Author SHA1 Message Date
Pascal Birchler
05655c5d1a REST API: Use get_gmt_from_date() when preparing a draft post for response.
This prevents wrong dates when dealing with DST, see [40115] and [40284].

Props nerrad.
Fixes #40136.

Merges [40284] and [40324] to the 4.7 branch.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40232 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-24 17:53:36 +00:00
John Blackbourn
bfa0cc8b91 Login and Registration: Avoid a potentially incorrect value for the cookie hash on multisite installations that don't have a value in the siteurl network option.
This reverts [38619].

See #34084, #39497

Merges [40320] to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40228 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-23 19:03:37 +00:00
Boone Gorges
913475ecdf Fix the formatting of $taxonomies parameter of 'wp_get_object_terms' filter.
[38667]  changed the way that the filter parameters are built. That
changeset didn't fully account for the pre-4.7 format of `$taxonomies`.

Merge of [40290] to the 4.7 branch.

Props ig_communitysites.
Fixes #40154.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40198 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-14 18:43:37 +00:00
John Blackbourn
49dea066cc Build/Test tools: Get Travis builds working on HHVM again.
This change moves to specifying the PHPUnit version for all PHP versions, and fixes an issue where the Composer global bin directory is not at `~/.composer/vendor/bin` on the boxes that are used for HHVM builds.

See #40100

Merges [40269] and [40271] to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40191 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-11 00:06:35 +00:00
John Blackbourn
7bebbc7006 Build/Test tools: Don't override the wp_set_auth_cookie() and wp_clear_auth_cookie() functions.
Overriding pluggable functions in the test suite is asking for trouble in the future. In addition, it means the test suite can't be guaranteed to behave the same as core.

This instead introduces a `send_auth_cookies` filter which can be hooked in during the test suite to prevent these functions from attempting to send cookie headers to the client.

Fixes #39367

Merges [40263] and [40264]  to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40185 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-10 15:06:34 +00:00
Dominik Schilling
f0be016b5e Build/Test Tools: Update .travis.yml to include latest improvements from trunk.
* Explicitly use PHPUnit 5.7 for the PHP 7 builds on Travis.
* On Travis CI install and use the node version which is specified in package.json.
* Add some more debugging to Travis and bring the format of the Xdebug fix inline with branches.

Merge of [40255] and [40257-40259] to the 4.7 branch.

Props netweb, johnbillion.
See #35105, #39822, #40086.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40182 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-09 22:02:39 +00:00
John Blackbourn
c498f12182 Build/Test tools: Remove the unnecessary clone of the twentysixteen repo.
This is no longer needed since #31550.

Fixes #40066

Merges [40252] to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40175 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-09 01:36:36 +00:00
John Blackbourn
92357b6a80 Build/Test tools: In Travis, skip some tests when not on trunk.
This skips time sensitive tests (copyright year and PHP/MySQL version requirements) when tests are run on branches on Travis.

Props netweb, jorbin

Fixes #39486

Merges [40241] to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40172 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-08 00:52:36 +00:00
John Blackbourn
d2c4cb36db Build/Test Tools: Call wp_head() and wp_footer() in the theme used during tests.
See #31550
Fixes #39988

Merges [40235] to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40166 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-07 01:35:33 +00:00
John Blackbourn
7b45ddd449 Build/Test Tools: Disable Xdebug when testing on Travis to increase performance.
See #39978

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40164 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-07 00:21:32 +00:00
Sergey Biryukov
5ef79ffc04 Post-4.7.3 version bump for 4.7 branch.
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2017-03-06 18:52:35 +00:00
James Nylen
8622d105f5 Bump 4.7 branch to version 4.7.3.
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2017-03-06 15:56:33 +00:00
John Blackbourn
882ac7830f Press This: Verify intent before fetching in-page resources using Press This.
Props vortfu

Merges [40195] to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40135 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-06 13:56:35 +00:00
Aaron Campbell
dfb508f59d Strip control characters before validating redirect.
Merges [40183] to 4.7 branch.


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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40123 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-06 13:40:35 +00:00
John Blackbourn
0066640479 Taxonomy: Correct the formatting of HTML entities when generating the screen reader text for tag removal.
Props adamsilverstein

Merges [40181] to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40121 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-06 13:16:35 +00:00
Aaron Campbell
177b19d9ec Plugins: Add file check to plugin deletions.
Merges [40169] to 4.7 branch.


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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40109 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-06 12:58:35 +00:00
Dominik Schilling
25e3338dbc Embeds: URL encode YouTube video IDs for broader compatibility.
Merge of [40160] to the 4.7 branch.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40100 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-06 12:04:34 +00:00
Jeremy Felt
a80351f7ed Validate video and audio metadata.
merge of [40148] to the 4.7 branch

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40088 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-06 08:03:35 +00:00
Dion Hulse
a649dd59b7 Bump Akismet External to 3.3.
git-svn-id: http://core.svn.wordpress.org/branches/4.7@40082 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-03-02 03:15:15 +00:00
Dion Hulse
58acc1c53f Bump the version after the 4.7.3-RC1 packaging.
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2017-02-28 00:16:33 +00:00
Dion Hulse
931b5a10ac Version bump for WordPress 4.7.3-RC1
Built from https://develop.svn.wordpress.org/branches/4.7@40140


git-svn-id: http://core.svn.wordpress.org/branches/4.7@40077 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-28 00:10:36 +00:00
Dominik Schilling
6485764f43 REST API: Allow setting post formats even if they are not supported by the theme.
A `post_format` not used by the current theme, but supported by core is not a wrong/broken piece of information. It's just not used at this point in time. Therefore we should allow setting and retrieving any of the standard post formats supported in core, even if the current theme doesn't use them.

After this commit, a post's `format` value can survive a round trip through the API, which is a good general design principle for an API.

Merge of [40120] and [40121] to the 4.7 branch.

Props JPry, iseulde, davidakennedy, Drivingralle.
Fixes #39232.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40074 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-27 20:03:37 +00:00
Dominik Schilling
e7b04993a6 REST API: Fix behavior of sticky posts filter when no posts are sticky.
Previously, when getting posts from the API with `sticky=true`, if there were no sticky posts set, the query would return all posts  as if the `sticky` argument was not set.  In this situation, the query should return an empty array instead.

A `sticky=true` query that should return an empty array (in the previous situation, or with `include` and no intersecting post IDs) was also broken in that it would query the post with ID 1.

Finally, this commit significantly improves test coverage for the `sticky` filter argument, including direct testing of the `WHERE` clauses generated by `WP_Query`.

Merge of [40037] and [40122] to the 4.7 branch.

Props ryelle, jnylen0.
See #39079.
Fixes #39947.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40073 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-27 19:54:39 +00:00
Joe McGill
d9ce7b2739 Media: Reset Exif orientation after rotate in WP_Image_Editor_Imagick.
Due to inconsistencies in the way browsers handle Exif orientation data,
if a user manually rotates an image within WordPress, set the Exif orientation to
the default (1) so that the image displays with the same rotation/flip in every browser.

Props sanchothefat, triplejumper12, joemcgill, azaozz, markoheijnen, mikeschroder.
Merges [40123] and [40129] to the 4.7 branch.
Fixes #37140. See #14459.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40072 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-27 19:33:35 +00:00
Joe McGill
4771761186 Media: Reduce failing uploads following 4.7.1.
[39831] introduced more strict MIME type checking for uploads, which
resulted in unintetionally blocking several filetypes that were
previously valid. This change uses a more targeted approach to MIME
validation to restore previous behavior for most types.

Props blobfolio, iandunn, ipstenu, markoheijnen, xknown, joemcgill.
Merges [40124] and [40125] to the 4.7 branch.
Fixes #39550, #39552.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40071 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-27 19:28:34 +00:00
Joe McGill
498f71615f Media: Keep PDF previews from overwriting files.
Since support for PDF previews were added in [38949], it's possible
that the generated image file could overwrite an existing image file
with the same name. This uses wp_unique_filename() to avoid this
issue and adds a '-pdf' identifier on the end of filenames.

Props gitlost, desrosj, mikeschroder, joemcgill.
Merges [40130] and [40131] to the 4.7 branch.
Fixes #39875. See #31050.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40070 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-27 19:25:34 +00:00
Joe McGill
c2a90ea28d Media: Restore correct upload errors displaying after [37610].
Props codegeass, MatheusGimenez, joemcgill.
Merges [40126] to the 4.7 branch.
Fixes #39516.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40069 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-27 19:21:36 +00:00
Sergey Biryukov
ecf9c19e04 Plugins: After [38703], adjust the selector for checkbox selection to account for nested tables.
Props afercia, swissspidy, reldev.
Merges [40118] to the 4.7 branch.
Fixes #39739.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40056 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-24 23:13:34 +00:00
Sergey Biryukov
d66cefb840 REST API: JavaScript client - improve route discovery for custom namespaces.
Fix parsing of custom namespace routes. Transform class names, removing dashes and capitalizing each word/route part so a route path of `widgets/recent-posts` becomes a collection with the name `WidgetsRecentPosts`. Correct parent route part when routes are longer than expected, reversing parse direction.

Props westonruter, jazbek, adamsilverstein, jnylen0.
Merges [40074] and [40109] to the 4.7 branch.
Fixes #39561.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40054 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-24 22:48:37 +00:00
Sergey Biryukov
b25d41d205 REST API: Add QUnit tests for wp-api.js and PHPUnit fixture generation.
Add QUnit tests: verify that wp-api loads correctly, verify that the expected base models and collections exist and can be instantiated, verify that collections contain the correct models, verify that expected helper functions are in place for each collection.

The QUnit tests rely on two fixture files: `tests/qunit/fixtures/wp-api-generated.js` contains the data response from each core endpoint and is generated by running the PHPUnit `restapi-jsclient` group. `tests/qunit/fixtures/wp-api.js` maps the generated data to endpoint routes, and overrides `Backbone.ajax` to mock the responses for the tests.

Add PHPUnit tests in `tests/phpunit/tests/rest-api/rest-schema-setup.php`. First, verify that the API returns the expected routes via `server->get_routes()`. Then, the `test_build_wp_api_client_fixtures` test goes thru each endpoint and requests it from the API, tests that it returns data, and builds up the data for the mocked QUnit tests, saving the final results to `tests/qunit/fixtures/wp-api-generated.js`.

Add a new grunt task `restapi-jsclient` which runs the phpunit side data generation and the qunit tests together.

Props jnylen0, welcher, adamsilverstein, netweb, ocean90, rachelbaker.
Merges [40058], [40061], [40065], [40066], [40077], and [40104] to the 4.7 branch.
Fixes #39264.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40053 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-24 22:34:34 +00:00
Sergey Biryukov
9dac8e173f REST API: Shim post_date_gmt for drafts / empty dates in the REST API.
Internally, WordPress uses a special `post_date_gmt` value of `0000-00-00 00:00:00` to indicate that a draft's date is "floating" and should be updated whenever the post is saved. This makes it much more difficult for API clients to know the correct date of a draft post.

This commit provides a best guess at a `date_gmt` value for draft posts in this situation using the `date` field and the site's current timezone offset.

Props joehoyle, jnylen0.
Merges [40108] to the 4.7 branch.
Fixes #38883.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40052 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-24 22:03:34 +00:00
Sergey Biryukov
68740ca5a1 REST API: Fix multiple issues with setting dates of posts and comments.
This commit modifies the `rest_get_date_with_gmt` function to correctly parse local and UTC timestamps with or without timezone information.

It also ensures that the REST API can edit the dates of draft posts by setting the `edit_date` flag to `wp_update_post`.

Overall this commit ensures that post and comment dates can be set and updated as expected.

Props jnylen0.
Merges [40101] to the 4.7 branch.
Fixes #39256.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40051 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-24 21:59:35 +00:00
Sergey Biryukov
f980f4ca90 REST API: Correctly parse body parameters for DELETE requests.
DELETE was inadvertently omitted from the list of non-POST HTTP methods that should be able to accept body parameters. Parameters passed to DELETE requests as JSON are already parsed correctly; this commit fixes application/x-www-form-urlencoded parameters as well.

Props mnelson4.
Merges [40105] to the 4.7 branch.
Fixes #39933.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40050 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-24 20:56:34 +00:00
Andrew Ozz
d95e0f8116 TinyMCE: preserve empty image alt attributes.
Props afercia.
Merges [40110] to the 4.7 branch.
Fixes #39912.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40049 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-24 20:52:35 +00:00
Sergey Biryukov
3ded99cef7 REST API: Do not allow access to users from a different site in multisite.
It has been unintendedly possible to both view and edit users from a different site than the current site in multisite environments. Moreover, when passing roles to a user in an update request, that user would implicitly be added to the current site.

This changeset removes the incorrect behavior for now in order to be able to provide a proper REST API workflow for managing multisite users in the near future. Related unit tests have been adjusted as well.

Props jnylen0, jeremyfelt, johnjamesjacoby.
Merges [40106] to the 4.7 branch.
Fixes #39701.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40048 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-24 20:46:35 +00:00
Dion Hulse
f609be0542 Customize: Prevent vertical clipping of thumbnail in header image customizer control.
Removes some method overrides on `wp.customize.HeaderTool.ChoiceView` introduced in [27497].

See #21785.
Props bradyvercher, westonruter.
Merges [40082] to the 4.7 branch.
Fixes #38559.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40037 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 07:05:36 +00:00
Dion Hulse
876e894635 Customize: Extend auto-draft life of a customize_changeset post whenever modified.
Keep bumping the date for the auto-draft to preserve it from garbage-collection via `wp_delete_auto_drafts()` after 7 days.

Props westonruter.
Merges [40041] to the 4.7 branch.
See #30937.
Fixes #39713.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40036 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 07:03:34 +00:00
Dion Hulse
02789248ca Customize: Allow custom post types to be used in starter content.
Changes `WP_Customize_Nav_Menus::insert_auto_draft_post()` so it can be invoked for a `post_type` that is not registered (yet).

Props westonruter.
Merges [39924] to the 4.7 branch.
See #38615, #38114.
Fixes #39610.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40035 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 07:02:34 +00:00
Dion Hulse
f5b00a1534 Customize: Ensure edit shortcuts get re-created for nested partials when a parent partial is refreshed.
Fixes issue where the edit shortcut for a nav menu gets dropped when the containing Custom Menu widget is updated.

Props westonruter.
Merges [40055] to the 4.7 branch.
See #39101.
Fixes #39353.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40034 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 06:59:31 +00:00
Dion Hulse
bade579fc3 Customize: Skip intercepting non-HTTP(S) links in customizer preview just as jump links are ignored.
Ensures that links with `javascript:`, `mailto:` and other protocols work as expected in the customizer preview.

Props westonruter.
Merges [40064] to the 4.7 branch.
Fixes #39797.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40033 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 06:56:34 +00:00
Dion Hulse
de7de0a0d6 Customize: Always enqueue customize-preview stylesheet in the customizer preview to style selective refresh and visual edit shortcuts.
Enqueues the style along with the `customize-preview` script in the manager instead of via the `widgets` and `nav_menus` components, ensuring that the stylesheet is loaded for users who cannot manage widgets or nav menus.

Props dlh, westonruter.
Merges [39951] to the 4.7 branch.
See #27403.
Fixes #39498.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40032 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 06:54:35 +00:00
Dion Hulse
a0edd9b006 Customize: Trim whitespace from nav menu item titles so that the underlying object's original title appears as input placeholder and in the control's title.
Whitespace is trimmed from titles in PHP when saved in any case, so this aligns the client-side behavior with what happens on the server.

Amends [38618].
Merges [39994] to the 4.7 branch.
See #38015.
Fixes #39600.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40031 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 06:52:35 +00:00
Dion Hulse
2a891e4456 Customize: Update customize.php URL with changeset_uuid param the instant a change is made instead of deferring until the changeset update request responds.
Props asalce, westonruter.
Merges [39686] to the 4.7 branch.
Fixes #39227.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40030 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 06:50:41 +00:00
Dion Hulse
d1b2273838 Menus: Prevent notice thrown in class-walker-page.php.
Calling `Walker_Page::walk()` directly was causing an `Undefined index: item_spacing` notice to be thrown, this adds an `isset()` check to prevent it.

Props bhargavbhandari90, peterwilsoncc.
Merges [39949] to the 4.7 branch.
Fixes #39564.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40029 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 03:51:35 +00:00
Dion Hulse
e18e5acce8 Formatting: fix wpautop() to stop adding paragraph tags around <figcaption>.
Props azaozz, pbearne for tests.
Merges [39912], [39914] to the 4.7 branch.
Fixes #39307 for 4.7.


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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40028 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-21 03:42:38 +00:00
Sergey Biryukov
f65de13e9f About page: Remove autoplay and loop attributes on "Theme Starter Content", "Edit Shortcuts", and "Video Headers" videos, originally added as a part of [39512].
For UX and accessibility reasons, it's better to always avoid playing videos automatically.

Props bor0.
Merges [40089] to the 4.7 branch.
Fixes #39560.
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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40027 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-20 13:09:34 +00:00
Dion Hulse
6e1fe24284 Customize: Ensure root values are accessible in multidimensional custom setting types.
Fixes bad conditions in `WP_Customize_Setting::get_root_value()` and `WP_Customize_Setting::set_root_value()`.

Props dlh, westonruter.
Amends [35007].
Merges [40036] to the 4.7 branch.
See #32103.
Fixes #36952.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40025 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-20 06:50:50 +00:00
Dion Hulse
bc0cb365a3 Customize: Introduce get_header_video_url filter for the return value of get_header_video_url().
Props sanket.parmar, celloexpressions, SergeyBiryukov.
Merges [40045], [40086] to the 4.7 branch.
Fixes #39512.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40024 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-20 06:49:53 +00:00
Dion Hulse
6f0ebaba78 Feeds: Prevent empty feeds from returning 404 errors.
Partial revert of [38929].

This reverts the source code from the commit for #30210 to prevent valid but empty feeds from returning 404 file not found errors for the home and custom feeds.

The tests in the commit that remain applicable are retained.

Props pavelevap for reporting, stevenkword for initial patch, peterwilsoncc.
See #30210.
Merges [40030] to the 4.7 branch.
Fixes #39157.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40022 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-20 06:38:48 +00:00
Dion Hulse
cb22496f4c REST API: JavaScript client should use _.extend when merging objects.
Correct an issue during the client's dynamic route discovery in `wp.api.utils.decorateFromRoute` where `_.union` potentially failed if used on objects.

Props ketuchetan, adamsilverstein.
Merges [40040] to the 4.7 branch.
Fixes #39341.

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git-svn-id: http://core.svn.wordpress.org/branches/4.7@40021 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-02-20 06:35:48 +00:00