Felix Arntz 7e2ca92e69 Multisite: Introduce a can_add_user_to_blog filter to prevent adding a user to a site. ...

Under certain circumstances, it can be necessary that a user should not be added to a site, beyond the restrictions that WordPress core applies. With the new `can_add_user_to_blog` filter, plugin developers can run custom checks and return an error in case of a failure, that will prevent the user from being added.

The user-facing parts and the REST API route that interact with `add_user_to_blog()` have been adjusted accordingly to provide appropriate error feedback when a user could not be added to a site. Furthermore, two existing error feedback messages in the site admin's "New User" screen have been adjusted to properly show inside an error notice instead of a success notice.

Props jmdodd.
Fixes #41101.

Built from https://develop.svn.wordpress.org/trunk@41225


git-svn-id: http://core.svn.wordpress.org/trunk@41065 1a063a9b-81f0-0310-95a4-ce76da25c4cd

2017-08-03 21:41:45 +00:00

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css

Menus: Improve the responsive view for the Menu Name field and Save button.

2017-07-31 21:22:44 +00:00

images

Customize: Add a RTL version of "browser.png" for the site icon preview.

2016-07-05 11:32:29 +00:00

includes

General: Fix more instances of inconsistent parameters passed to various filters, plus fix some filter docs.

2017-08-03 16:13:44 +00:00

js

REST API: Allow overriding jQuery.ajax calls from within wp-admin

2017-08-02 16:45:44 +00:00

maint

I18N: Make the translator comment added in [37858] more explicit and consistent with other similar instances.

2016-07-04 13:10:30 +00:00

network

Multisite: Introduce a can_add_user_to_blog filter to prevent adding a user to a site.

2017-08-03 21:41:45 +00:00

user

Docs: Standardize hook docs in wp-admin/* to use third-person singular verbs per the inline documentation standards for PHP.

2016-05-22 18:01:30 +00:00

about.php

Media: Upgrade MediaElement.js from 2.22.0 to 4.2.3.

2017-08-01 04:43:51 +00:00

admin-ajax.php

Administration: Send an appropriate HTTP response status code when an invalid action is passed to admin-ajax.php.

2017-07-23 00:21:42 +00:00

admin-footer.php

Docs: Remove incorrect @param tags for admin_print_footer_scripts-{$hook_suffix} and admin_footer-{$hook_suffix} dynamic actiona.

2017-01-09 14:38:41 +00:00

admin-functions.php

Docs: Use 3-digit, x.x.x-style semantic versioning for _doing_it_wrong(), _deprecated_function(), _deprecated_argument(), and _deprecated_file() throughout core.

2016-07-06 12:40:29 +00:00

admin-header.php

I18n: Introduce more translator comments for strings that contain placeholders but don't have an accompanying translator comment.

2016-11-21 02:46:30 +00:00

admin-post.php

Spelling: Standardize on "front end"/"back end" (noun) and "front-end"/"back-end" (adjective).

2016-02-25 12:53:27 +00:00

admin.php

Text Changes: Add a period to the only wp_die() message that didn't have it: "Invalid plugin page".

2017-01-22 02:33:42 +00:00

async-upload.php

Posts, Post Types: Use an existing string for "Invalid post type" error message.

2017-01-10 02:40:42 +00:00

comment.php

Accessibility: Remove target=_blank from the comment/edit-comments help tabs links.

2016-10-04 06:54:30 +00:00

credits.php

About page: Add a privacy policy.

2017-07-19 21:42:42 +00:00

custom-background.php

Docs: Remove @access notations from method DocBlocks in wp-admin/* classes.

2017-07-27 00:40:43 +00:00

custom-header.php

Docs: Remove @access notations from method DocBlocks in wp-admin/* classes.

2017-07-27 00:40:43 +00:00

customize.php

Customize: Igore invalid customization sessions.

2017-05-16 12:07:43 +00:00

edit-comments.php

General: Use interpolation instead of concatenation for all dynamic hook names.

2016-12-14 04:18:42 +00:00

edit-form-advanced.php

Accessibility: Make the Get Shortlink button be a real button.

2017-05-07 11:47:41 +00:00

edit-form-comment.php

Accessibility: Standardize the remove/delete/cancel links in the Menus screen and Publish meta boxes.

2016-09-17 15:39:30 +00:00

edit-link-form.php

Accessibility: Remove inappropriate content from the Link Manager screens headings.

2016-12-07 20:18:46 +00:00

edit-tag-form.php

Taxonomy: Remove extraneous ' included in Term delete markup.

2017-05-14 19:50:44 +00:00

edit-tags.php

General: Fix more instances of inconsistent parameters passed to various filters, plus fix some filter docs.

2017-08-03 16:13:44 +00:00

edit.php

Posts, Post Types: Preserve author filter in list table after entering a page number in paging input.

2017-01-21 02:22:26 +00:00

export.php

Accessibility: Remove target=_blank from the help tab links on several admin screens.

2016-10-04 20:27:33 +00:00

freedoms.php

About page: Add a privacy policy.

2017-07-19 21:42:42 +00:00

import.php

Accessibility: Remove target=_blank from the help tab links on several admin screens.

2016-10-04 20:27:33 +00:00

index.php

Dashboard: Properly localize data for events

2017-05-18 14:34:43 +00:00

install-helper.php

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install.php

Docs: Add a @global entry for $wpdb in display_setup_form().

2017-07-12 21:03:42 +00:00

link-add.php

Text Changes: Unify permission error messages.

2016-06-29 15:16:29 +00:00

link-manager.php

Accessibility: Remove inappropriate content from the Link Manager screens headings.

2016-12-07 20:18:46 +00:00

link-parse-opml.php

General: Check to see that the PHP-XML module is enabled before using XML functions.

2016-10-24 04:45:31 +00:00

link.php

Docs: Standardize capitalization of Ajax throughout core documentation per the core spelling guide.

2016-07-10 00:51:30 +00:00

load-scripts.php

Bootstrap: do not go gentle into that good night r38411, r38412, and parts of r38389.

2016-08-31 16:31:29 +00:00

load-styles.php

Bootstrap: do not go gentle into that good night r38411, r38412, and parts of r38389.

2016-08-31 16:31:29 +00:00

media-new.php

Accessibility: Remove target=_blank from the help tab links on several admin screens.

2016-10-04 20:27:33 +00:00

media-upload.php

Hooks: Standardize naming of dynamic hooks to use interpolation vs concatenation.

2016-08-22 18:25:31 +00:00

media.php

Accessibility: Remove inappropriate content from the old Edit Media screen heading.

2016-12-07 23:30:40 +00:00

menu-header.php

Docs: Reduce confusion in @since MU notationss by indicating the WP version (3.0.0) the code was merged into core while retaining the original context.

2017-08-01 20:44:43 +00:00

menu.php

Multisite: Introduce a setup_network capability for setting up multisite.

2017-04-07 12:53:45 +00:00

moderation.php

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ms-admin.php

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ms-delete-site.php

I18N: Introduce a locale-switching function.

2016-10-26 15:36:31 +00:00

ms-edit.php

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ms-options.php

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ms-sites.php

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ms-themes.php

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ms-upgrade-network.php

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ms-users.php

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my-sites.php

Docs: Reduce confusion in @since MU notationss by indicating the WP version (3.0.0) the code was merged into core while retaining the original context.

2017-08-01 20:44:43 +00:00

nav-menus.php

Customize: Prevent links to customize.php from being generated which have query vars from wp_removable_query_args() present.

2017-03-22 23:04:42 +00:00

network.php

Multisite: Introduce a setup_network capability for setting up multisite.

2017-04-07 12:53:45 +00:00

options-discussion.php

Administration: Use consistent spacing for form elements in the Discussion Settings screen.

2017-05-18 15:55:44 +00:00

options-general.php

Administration: Fix some HTML validation errors.

2017-05-23 17:58:43 +00:00

options-head.php

Docs: Standardize on 'backward compatibility/compatible' nomenclature in core inline docs.

2016-05-13 18:41:31 +00:00

options-media.php

Administration: Fix some HTML validation errors.

2017-05-23 17:58:43 +00:00

options-permalink.php

Permalinks: Add buttons for the available structure tags to the admin UI.

2017-07-28 17:43:45 +00:00

options-reading.php

Help/About: Fix typo in help text on Reading Settings screen.

2017-04-23 14:34:42 +00:00

options-writing.php

Accessibility: Remove target=_blank from the Settings screens help tabs links.

2016-10-04 06:59:29 +00:00

options.php

Multisite: Replace is_super_admin() with manage_network_options in wp-admin/options.php.

2017-01-20 17:39:41 +00:00

plugin-editor.php

Plugins: Correctly display the current plugin in the plugin editor.

2016-10-07 16:58:28 +00:00

plugin-install.php

Accessibility: Remove inappropriate content from the Add Plugins screen heading.

2016-12-07 19:06:41 +00:00

plugins.php

Plugins: Add file check to plugin deletions.

2017-03-06 12:55:41 +00:00

post-new.php

I18N: Combine two duplicate "Invalid post type" strings.

2016-07-17 16:05:31 +00:00

post.php

Posts, Post Types: Use an existing string for "Invalid post type" error message.

2017-01-10 02:40:42 +00:00

press-this.php

Bootstrap: do not go gentle into that good night r38411, r38412, and parts of r38389.

2016-08-31 16:31:29 +00:00

privacy.php

About page: Add a privacy policy.

2017-07-19 21:42:42 +00:00

profile.php

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revision.php

I18n: Begin introducing translator comments for strings which include placeholders but no accompanying translator comment.

2016-11-21 01:22:32 +00:00

setup-config.php

Drop the requirement for the entry points to WordPress to be parsable by PHP4.

2016-10-25 03:15:30 +00:00

term.php

Taxonomy: Add a "delete" button on term edit page.

2017-05-12 19:26:41 +00:00

theme-editor.php

Accessibility: Remove target=_blank from the Plugins, Themes, Media, Update, and Tools screens help tabs links.

2016-10-04 07:08:29 +00:00

theme-install.php

Themes: Avoid PHP warnings in the admin when no theme directory exists.

2017-05-11 19:21:44 +00:00

themes.php

Themes: Fix missing search field in the Theme Install screen after [40572].

2017-05-08 15:59:44 +00:00

tools.php

Accessibility: Remove target=_blank from the Plugins, Themes, Media, Update, and Tools screens help tabs links.

2016-10-04 07:08:29 +00:00

update-core.php

Updates: Translate plugin data on the Updates screen.

2017-01-11 10:37:48 +00:00

update.php

Bootstrap: do not go gentle into that good night r38411, r38412, and parts of r38389.

2016-08-31 16:31:29 +00:00

upgrade-functions.php

Docs: Use 3-digit, x.x.x-style semantic versioning for _doing_it_wrong(), _deprecated_function(), _deprecated_argument(), and _deprecated_file() throughout core.

2016-07-06 12:40:29 +00:00

upgrade.php

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upload.php

Accessibility: Improve the Media Library inline uploader accessibility.

2017-03-31 17:38:43 +00:00

user-edit.php

Users: Require a confirmation link in an email to be clicked when a user attempts to change their email address.

2017-07-27 02:10:42 +00:00

user-new.php

Multisite: Introduce a can_add_user_to_blog filter to prevent adding a user to a site.

2017-08-03 21:41:45 +00:00

users.php

Users: Use more appropriate HTTP status codes for errors relating to user management.

2017-06-25 18:46:44 +00:00

widgets.php

Customize: Prevent links to customize.php from being generated which have query vars from wp_removable_query_args() present.

2017-03-22 23:04:42 +00:00