* XML-RPC: Improve error messages for unprivileged users.
* External Libraries: Disable deserialization in Requests_Utility_FilteredIterator
* Embeds: Disable embeds on deactivated Multisite sites.
* Coding standards: Modify escaping functions to avoid potential false positives.
* XML-RPC: Return error message if attachment ID is incorrect.
* Upgrade/install: Improve logic check when determining installation status.
* Meta: Sanitize meta key before checking protection status.
* Themes: Ensure that only privileged users can set a background image when a theme is using the deprecated custom background page.
Brings the changes from [49380,49382-49388] to the 5.4 branch.
Props xknown, zieladam, peterwilsoncc, whyisjake, desrosj, dd32.
Built from https://develop.svn.wordpress.org/branches/5.4@49391
git-svn-id: http://core.svn.wordpress.org/branches/5.4@49150 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Hook documentation should be on the line directly above the line containing the `do_action()` or `apply_filters()` call. 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 duplicate hook references.
Includes minor code layout fixes.
See #47110.
Built from https://develop.svn.wordpress.org/trunk@46088
git-svn-id: http://core.svn.wordpress.org/trunk@45900 1a063a9b-81f0-0310-95a4-ce76da25c4cd
* 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
This renames the file containing the Custom_Background class to conform to the coding standards.
This commit also includes:
- A new custom-background.php that includes the new file, for anyone that may've been including the file directly.
- Replaces a reference to the old filename with the new filename.
See #47632.
Built from https://develop.svn.wordpress.org/trunk@45662
git-svn-id: http://core.svn.wordpress.org/trunk@45473 1a063a9b-81f0-0310-95a4-ce76da25c4cd
