..
blocks
General: Backport several commits for release.
2020-06-10 18:00:01 +00:00
certificates
HTTP: Update the Root Certificate bundle.
2019-09-12 12:04:59 +00:00
css
Editor: Bump dependencies for WordPress 5.4.1 release.
2020-06-10 15:48:08 +00:00
customize
Customize: Prevent breaking the customizer when site title contains templating syntax.
2019-10-04 21:59:57 +00:00
fonts
ID3
External Library: Update getid3 to 1.9.18
2019-09-18 14:54:57 +00:00
images
Build/Test tools: Update grunt-contrib-imagemin and run it
2019-10-05 14:20:59 +00:00
IXR
Date/Time: Replace all instances of date()
with gmdate()
.
2019-05-26 00:12:54 +00:00
js
Build/Test Tools: Explicitly specify a version number in the .nvmrc
file for the 5.3 branch.
2020-10-22 18:10:51 +00:00
pomo
Coding Standards: Fix the Squiz.PHP.DisallowMultipleAssignments
violations in wp-includes
.
2019-07-02 23:42:58 +00:00
random_compat
Requests
External Libraries: Fix PHP 7.4 compatibility issue in the Requests library.
2019-10-06 17:14:02 +00:00
rest-api
Ensure that a user can publish_posts before making a post sticky.
2019-12-12 18:09:02 +00:00
SimplePie
External Libraries: Fix PHP 7.4 compatibility issues in the SimplePie library.
2019-09-23 18:17:58 +00:00
sodium_compat
Upgrade/Install: Update sodium_compat to v1.12.1.
2019-12-09 16:46:03 +00:00
Text
theme-compat
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
widgets
Coding Standards: Fix WPCS issues in WP_Widget_Links
and WP_Widget_Pages
.
2019-10-06 15:28:03 +00:00
admin-bar.php
Script Loader: Introduce HTML5 support for scripts and styles.
2019-09-18 14:50:56 +00:00
atomlib.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
author-template.php
Build/Test Tools: Introduce automated PHP compatibility checking.
2019-09-25 13:47:58 +00:00
blocks.php
Prevent stored XSS in the block editor.
2019-12-12 18:14:06 +00:00
bookmark-template.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
bookmark.php
Docs: Improve documentation for get_bookmarks()
.
2019-09-16 19:55:56 +00:00
cache.php
Customize: Add additional filters to Customizer to prevent JSON corruption.
2020-04-29 16:06:08 +00:00
canonical.php
Docs: Add missing description for $wp_query
and $wp_the_query
globals.
2019-08-04 01:59:56 +00:00
capabilities.php
Docs: Add a @since
note about new parameters with the spread operator added to function signatures.
2019-10-09 04:28:02 +00:00
category-template.php
Docs: Add a @since
note about new parameters with the spread operator added to function signatures.
2019-10-09 04:28:02 +00:00
category.php
I18N: Improve translator comments.
2019-09-01 17:13:59 +00:00
class-feed.php
Docs: Add missing @deprecated
tags in the file docblock of some deprecated files.
2019-10-08 17:19:04 +00:00
class-http.php
Docs: Fix and improve inline documentation for the HTTP API.
2019-10-12 18:05:04 +00:00
class-IXR.php
class-json.php
Docs: Add missing @deprecated
tags.
2019-10-03 14:48:55 +00:00
class-oembed.php
Coding Standards: Move wp-includes/class-oembed.php
to wp-includes/class-wp-oembed.php
.
2019-07-19 04:32:57 +00:00
class-phpass.php
class-phpmailer.php
General: Patch PHMailer for PHP 7.4 compatibility.
2019-10-03 15:45:59 +00:00
class-pop3.php
PHP 7.4 compatibility fix / accessing arrays/string using curly brace syntax
2019-08-03 20:21:55 +00:00
class-requests.php
External Libraries: Fix PHP 7.4 compatibility issues in the Requests library.
2019-09-23 18:11:59 +00:00
class-simplepie.php
class-smtp.php
Mail: Update PHPMailer to 5.2.27.
2019-09-12 14:37:57 +00:00
class-snoopy.php
class-walker-category-dropdown.php
class-walker-category.php
Menus: In Walker_Nav_Menu
, Walker_Category
, and Walker_Page
, properly output link attributes having a legitimate "empty" value, for example an HTML data attribute with a value of zero (0).
2019-10-06 15:06:03 +00:00
class-walker-comment.php
Comments: Ensure that unmoderated comments won't be search indexed.
2020-06-06 09:53:04 +00:00
class-walker-nav-menu.php
Menus: In Walker_Nav_Menu
, Walker_Category
, and Walker_Page
, properly output link attributes having a legitimate "empty" value, for example an HTML data attribute with a value of zero (0).
2019-10-06 15:06:03 +00:00
class-walker-page-dropdown.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
class-walker-page.php
Menus: In Walker_Nav_Menu
, Walker_Category
, and Walker_Page
, properly output link attributes having a legitimate "empty" value, for example an HTML data attribute with a value of zero (0).
2019-10-06 15:06:03 +00:00
class-wp-admin-bar.php
Code Modernisation: Remove redundant calls to func_get_arg()
in wp-includes/class-wp-admin-bar.php
.
2019-09-15 11:46:54 +00:00
class-wp-ajax-response.php
Coding Standards: Rename $r
variable used with wp_parse_args()
to $parsed_args
for clarity.
2019-07-25 00:48:58 +00:00
class-wp-block-parser.php
class-wp-block-styles-registry.php
Docs: Correct WP_Styles_Registry
documentation.
2019-09-30 15:44:59 +00:00
class-wp-block-type-registry.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
class-wp-block-type.php
class-wp-comment-query.php
Comments: Ensure that unmoderated comments won't be search indexed.
2020-06-06 09:53:04 +00:00
class-wp-comment.php
class-wp-customize-control.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
class-wp-customize-manager.php
Customize: Add additional filters to Customizer to prevent JSON corruption.
2020-04-29 16:06:08 +00:00
class-wp-customize-nav-menus.php
Menus: Replace http with https in placeholders.
2019-09-26 20:32:55 +00:00
class-wp-customize-panel.php
Code Modernisation: Replace call_user_func_array()
in wp-includes/class-wp-customize-*.php
with direct function calls in combination with the spread operator.
2019-09-15 11:27:55 +00:00
class-wp-customize-section.php
Code Modernisation: Replace call_user_func_array()
in wp-includes/class-wp-customize-*.php
with direct function calls in combination with the spread operator.
2019-09-15 11:27:55 +00:00
class-wp-customize-setting.php
Code Modernisation: Replace call_user_func_array()
in wp-includes/class-wp-customize-*.php
with direct function calls in combination with the spread operator.
2019-09-15 11:27:55 +00:00
class-wp-customize-widgets.php
Code Modernisation: Replace call_user_func_array()
in wp-includes/class-wp-customize-*.php
with direct function calls in combination with the spread operator.
2019-09-15 11:27:55 +00:00
class-wp-date-query.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
class-wp-dependency.php
Docs: Add a @since
note about new parameters with the spread operator added to function signatures.
2019-10-09 04:28:02 +00:00
class-wp-editor.php
Docs: Convert 'Block Editor' to lowercase.
2019-10-04 20:12:58 +00:00
class-wp-embed.php
Coding Standards: Fix the Squiz.PHP.DisallowMultipleAssignments
violations in wp-includes
.
2019-07-02 23:42:58 +00:00
class-wp-error.php
class-wp-fatal-error-handler.php
Site Health: Add a link to "Debugging in WordPress" support article to fatal PHP error handler's default message.
2019-09-16 17:23:55 +00:00
class-wp-feed-cache-transient.php
class-wp-feed-cache.php
class-wp-hook.php
Code Modernisation: Replace call_user_func_array()
in combination with an empty array in wp-includes/class-wp-hook.php
with call_user_func()
.
2019-09-15 11:45:56 +00:00
class-wp-http-cookie.php
Docs: Correct @type
annotation for WP_HTTP_Cookie::$expires
.
2019-08-05 07:56:56 +00:00
class-wp-http-curl.php
Code Modernization: Remove a workaround for CURLOPT_PROTOCOLS
in WP_Http_Curl::request()
.
2019-09-20 22:23:58 +00:00
class-wp-http-encoding.php
Coding Standards: Fix the Squiz.PHP.DisallowMultipleAssignments
violations in wp-includes
.
2019-07-02 23:42:58 +00:00
class-wp-http-ixr-client.php
class-wp-http-proxy.php
Docs: Docblock corrections and improvements, mostly related to various pre_*
filters.
2019-09-21 17:41:57 +00:00
class-wp-http-requests-hooks.php
Coding Standards: Mark the handful of hook names with uppercase characters or hyphens as ignored.
2019-07-05 01:45:56 +00:00
class-wp-http-requests-response.php
Docs: Fix and improve inline documentation for the HTTP API.
2019-10-12 18:05:04 +00:00
class-wp-http-response.php
Coding Standards: Fix/ignore the WordPress.NamingConventions.ValidFunctionName
violations.
2019-07-01 08:01:57 +00:00
class-wp-http-streams.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
class-wp-image-editor-gd.php
Docs: Improve and update the description of multi_resize()
to explain changes and expected use.
2019-08-25 22:21:58 +00:00
class-wp-image-editor-imagick.php
Media: Prevent unnecessary whitespace around PDF Thumbnails.
2019-09-23 10:36:57 +00:00
class-wp-image-editor.php
Media/Upload: rotate images on upload according to EXIF Orientation.
2019-09-20 18:21:57 +00:00
class-wp-list-util.php
Coding Standards: Fix the Squiz.PHP.DisallowMultipleAssignments
violations in wp-includes
.
2019-07-02 23:42:58 +00:00
class-wp-locale-switcher.php
Docs: Add missing description for $wp_locale
global.
2019-08-04 01:46:55 +00:00
class-wp-locale.php
Code Modernization: Remove all code using a version_compare()
with a PHP version older than PHP 5.6.
2019-09-20 22:02:57 +00:00
class-wp-matchesmapregex.php
class-wp-meta-query.php
Query: Expand the list of operators available to compare_key
in WP_Meta_Query
.
2019-09-19 15:03:56 +00:00
class-wp-metadata-lazyloader.php
class-wp-network-query.php
Multisite: improve sites_pre_query
and networks_pre_query
filters, avoiding db queries.
2019-09-12 22:17:55 +00:00
class-wp-network.php
Multisite: Improve performance by caching not found lookups for sites and networks.
2019-08-29 12:42:56 +00:00
class-wp-oembed-controller.php
Coding Standards: Move wp-includes/class-oembed.php
to wp-includes/class-wp-oembed.php
.
2019-07-19 04:32:57 +00:00
class-wp-oembed.php
Embeds: Remove CollegeHumor oEmbed provider, as the service does not exist anymore.
2019-11-24 11:03:02 +00:00
class-wp-paused-extensions-storage.php
class-wp-post-type.php
REST API: Ensure rest_controller instantiates the post type's declared REST controller class.
2019-10-08 13:43:02 +00:00
class-wp-post.php
class-wp-query.php
Customize: Add additional filters to Customizer to prevent JSON corruption.
2020-04-29 16:06:08 +00:00
class-wp-recovery-mode-cookie-service.php
Bootstrap/Load: Set expiration of the recovery mode cookie to the same amount of time for which the token in it is valid: a week by default.
2019-06-17 19:17:54 +00:00
class-wp-recovery-mode-email-service.php
Site Health: Include simple debug data in fatal error protection email.
2019-09-23 20:27:56 +00:00
class-wp-recovery-mode-key-service.php
Bootstrap/Load: Allow more than one recovery link to be valid at a time.
2019-04-16 05:09:51 +00:00
class-wp-recovery-mode-link-service.php
Bootstrap/Load: Allow more than one recovery link to be valid at a time.
2019-04-16 05:09:51 +00:00
class-wp-recovery-mode.php
Bootstrap/Load: Return a 403 error code when the recovery mode cookie is invalid or expired, or the exit recovery mode nonce check failed.
2019-06-17 18:37:55 +00:00
class-wp-rewrite.php
Code Modernisation: Remove redundant call to func_get_arg()
in wp-includes/class-wp-rewrite.php
.
2019-09-15 11:47:54 +00:00
class-wp-role.php
class-wp-roles.php
Code Modernisation: Replace call_user_func_array()
in various __call()
methods with dynamic function calls.
2019-09-15 11:53:56 +00:00
class-wp-session-tokens.php
class-wp-simplepie-file.php
class-wp-simplepie-sanitize-kses.php
class-wp-site-query.php
Multisite: improve sites_pre_query
and networks_pre_query
filters, avoiding db queries.
2019-09-12 22:17:55 +00:00
class-wp-site.php
Multisite: Improve performance by caching not found lookups for sites and networks.
2019-08-29 12:42:56 +00:00
class-wp-tax-query.php
Coding Standards: Fix the Squiz.PHP.DisallowMultipleAssignments
violations in wp-includes
.
2019-07-02 23:42:58 +00:00
class-wp-taxonomy.php
Docs: Add missing description for $wp
global.
2019-08-04 01:28:55 +00:00
class-wp-term-query.php
Taxonomy: Ensure consistency of hide_empty
in term queries when taxonomy
is excluded.
2019-08-23 16:05:56 +00:00
class-wp-term.php
class-wp-text-diff-renderer-inline.php
class-wp-text-diff-renderer-table.php
Accessibility: Improve the differences between revisions.
2019-08-03 15:46:54 +00:00
class-wp-theme.php
Bundled Themes: Make Twenty Twenty the new default theme.
2019-09-23 21:00:58 +00:00
class-wp-user-meta-session-tokens.php
class-wp-user-query.php
Docs: Correct accepted values for search_columns
parameter in WP_User_Query
.
2019-09-17 15:43:56 +00:00
class-wp-user-request.php
Privacy tools:
2019-06-10 23:54:53 +00:00
class-wp-user.php
Docs: Add a @since
note about new parameters with the spread operator added to function signatures.
2019-10-09 04:28:02 +00:00
class-wp-walker.php
Docs: Tweak the @since
note in Walker::walk()
and ::paged_walk()
for better readability and consistency with other notes.
2019-10-09 04:35:01 +00:00
class-wp-widget-factory.php
Code Modernization: Remove workarounds for spl_object_hash()
.
2019-09-20 22:34:57 +00:00
class-wp-widget.php
Coding Standards: Fix the Squiz.PHP.DisallowMultipleAssignments
violations in wp-includes
.
2019-07-02 23:42:58 +00:00
class-wp-xmlrpc-server.php
Date/Time: XML-RPC: Сalculate the proper offset for GMT in wp.newPost
, wp.editComment
, mw.newPost
, mw.editPost
when post_date
or comment_date
is set.
2019-12-09 20:08:06 +00:00
class-wp.php
Comments: Ensure that unmoderated comments won't be search indexed.
2020-06-06 09:53:04 +00:00
class.wp-dependencies.php
Coding Standards: Fix the Squiz.PHP.DisallowMultipleAssignments
violations in wp-includes
.
2019-07-02 23:42:58 +00:00
class.wp-scripts.php
Script Loader: Add function_exists()
checks for is_admin()
and current_theme_supports()
, to accomodate for using WP_Dependencies
as a standalone class.
2019-09-24 02:56:57 +00:00
class.wp-styles.php
Script Loader: Add function_exists()
checks for is_admin()
and current_theme_supports()
, to accomodate for using WP_Dependencies
as a standalone class.
2019-09-24 02:56:57 +00:00
comment-template.php
General: Backport several commits for release.
2020-06-10 18:00:01 +00:00
comment.php
Comments: Ensure that unmoderated comments won't be search indexed.
2020-06-06 09:53:04 +00:00
compat.php
Code Modernization: Remove JSON related polyfills.
2019-09-20 20:16:58 +00:00
cron.php
Docs: Docblock corrections and improvements, mostly related to various pre_*
filters.
2019-09-21 17:41:57 +00:00
date.php
Coding Standards: Move wp-includes/date.php
to wp-includes/class-wp-date-query.php
.
2019-07-25 23:31:56 +00:00
default-constants.php
Bundled Themes: Make Twenty Twenty the new default theme.
2019-09-23 21:00:58 +00:00
default-filters.php
General: Backport several commits for release.
2020-06-10 18:00:01 +00:00
default-widgets.php
deprecated.php
Build/Test Tools: Introduce automated PHP compatibility checking.
2019-09-25 13:47:58 +00:00
embed-template.php
embed.php
General: Backport several commits for release.
2020-06-10 18:00:01 +00:00
error-protection.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
feed-atom-comments.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
feed-atom.php
Feeds: improve structure and naming of feed build date helper function.
2019-04-18 17:08:52 +00:00
feed-rdf.php
Feeds: improve structure and naming of feed build date helper function.
2019-04-18 17:08:52 +00:00
feed-rss2-comments.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
feed-rss2.php
Feeds: improve structure and naming of feed build date helper function.
2019-04-18 17:08:52 +00:00
feed-rss.php
Feeds: improve structure and naming of feed build date helper function.
2019-04-18 17:08:52 +00:00
feed.php
Date/Time: Ensure that get_feed_build_date()
correctly handles a modified post object with invalid date.
2019-12-17 20:54:03 +00:00
formatting.php
Customize: Add additional filters to Customizer to prevent JSON corruption.
2020-04-29 16:06:08 +00:00
functions.php
Upload: Fix the final file name collision test in wp_unique_filename()
when uploading a file with upper case extension and limit it to run for each file in the directory + 1. Add a unit test to catch that in the future.
2019-12-17 21:20:03 +00:00
functions.wp-scripts.php
Docs: Fix typo in wp_print_scripts()
' reference to WP_Scripts::do_item()
.
2019-09-25 22:23:55 +00:00
functions.wp-styles.php
general-template.php
Date/Time: Make sure get_post_time()
keeps UTC time on timezone change.
2019-10-25 13:08:05 +00:00
http.php
HTTP API: Protect against hex interpretation.
2019-10-14 15:27:04 +00:00
kses.php
Update wp_kses_bad_protocol()
to recognize :
on uri attributes,
2019-12-12 18:13:03 +00:00
l10n.php
Docs: Docblock corrections and improvements, mostly related to various pre_*
filters.
2019-09-21 17:41:57 +00:00
link-template.php
Date/Time: Make get_permalink()
more resilient against PHP timezone changes.
2019-11-28 13:57:02 +00:00
load.php
Bootstrap/Load: Reorganize the initialization flow so that the check for PHP and MySQL requirements could run as early as possible.
2019-09-19 12:02:58 +00:00
locale.php
Docs: Add missing @deprecated
tags in the file docblock of some deprecated files.
2019-10-08 17:19:04 +00:00
media-template.php
Accessibility: Add an aria-current
attribute to the Media Library switch links.
2019-11-25 10:23:03 +00:00
media.php
Media: Make sure attachment_url_to_postid()
performs a case-sensitive search for the uploaded file name.
2020-01-29 16:36:03 +00:00
meta.php
REST API: Issue warning if array meta is registered without item schema.
2019-09-19 14:36:55 +00:00
ms-blogs.php
Multisite/Sites: Add links to filter websites by status.
2019-09-23 17:35:59 +00:00
ms-default-constants.php
ms-default-filters.php
ms-deprecated.php
Coding Standards: Fix WPCS issues in wp-includes/ms-deprecated.php
.
2019-10-07 15:18:03 +00:00
ms-files.php
ms-functions.php
Docs: Remove obsolete comment in wpmu_signup_blog_notification()
and wpmu_signup_user_notification()
.
2019-10-01 00:46:57 +00:00
ms-load.php
Docs: Docblock corrections and improvements, mostly related to various pre_*
filters.
2019-09-21 17:41:57 +00:00
ms-network.php
ms-settings.php
ms-site.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
nav-menu-template.php
Code Modernisation: Replace call_user_func_array()
in wp-includes/nav-menu-template.php
with a dynamic function call.
2019-09-15 11:31:57 +00:00
nav-menu.php
Correct the version number specified in [46102].
2019-09-13 18:55:56 +00:00
option.php
Options, Meta APIs: Avoid a race condition causing the first of two subsequent requests updating different options at the same time to lose changes.
2019-11-25 13:46:12 +00:00
pluggable-deprecated.php
pluggable.php
General: Backport several commits for release.
2020-06-10 18:00:01 +00:00
plugin.php
Plugins: Restore backward compatibility for PHP4-style passing of array( &$this )
as action argument to do_action()
.
2019-10-22 00:11:03 +00:00
post-formats.php
Docs: Add missing description for $wp_rewrite
global.
2019-08-04 01:19:56 +00:00
post-template.php
Docs: Add a @since
note about new parameters with the spread operator added to function signatures.
2019-10-09 04:28:02 +00:00
post-thumbnail-template.php
Docs: Add missing description for $wp_query
and $wp_the_query
globals.
2019-08-04 01:59:56 +00:00
post.php
Customize: Add additional filters to Customizer to prevent JSON corruption.
2020-04-29 16:06:08 +00:00
query.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
registration-functions.php
Docs: Add missing @deprecated
tags in the file docblock of some deprecated files.
2019-10-08 17:19:04 +00:00
registration.php
Docs: Add missing @deprecated
tags in the file docblock of some deprecated files.
2019-10-08 17:19:04 +00:00
rest-api.php
REST API: Allow for multiple Vary: Origin headers in GET responses.
2019-10-15 15:47:03 +00:00
revision.php
Coding Standards: Fix all WordPress.CodeAnalysis.AssignmentInCondition
issues.
2019-07-05 03:14:56 +00:00
rewrite.php
Docs: Add missing description for $wp
global.
2019-08-04 01:28:55 +00:00
rss-functions.php
Docs: Add missing @deprecated
tags in the file docblock of some deprecated files.
2019-10-08 17:19:04 +00:00
rss.php
script-loader.php
Media: After [46375], enable JavaScript translations for the media-views
script.
2020-01-29 16:10:02 +00:00
session.php
Docs: Add missing @deprecated
tags in the file docblock of some deprecated files.
2019-10-08 17:19:04 +00:00
shortcodes.php
Shortcodes: Revert [46369] for now to allow more time to investigate and prepare for backward compatibility changes.
2019-10-15 19:36:02 +00:00
spl-autoload-compat.php
Code Modernisation: Remove the SPL autoloader polyfill.
2019-07-15 05:11:56 +00:00
taxonomy.php
Docs: Miscellaneous inline docs corrections and improvements.
2019-10-07 19:08:06 +00:00
template-loader.php
Coding Standards: Fix the Squiz.PHP.DisallowMultipleAssignments
violations in wp-includes
.
2019-07-02 23:42:58 +00:00
template.php
Docs: Add missing description for $comment
global.
2019-10-04 22:19:57 +00:00
theme.php
Themes: Convert core-provided starter content to block content.
2019-10-10 19:07:05 +00:00
update.php
I18N: Capitalize translator comments consistently, add trailing punctuation.
2019-09-03 00:41:05 +00:00
user.php
Customize: Add additional filters to Customizer to prevent JSON corruption.
2020-04-29 16:06:08 +00:00
vars.php
General: First pass at replacing Codex URLs with a corresponding HelpHub or DevHub article.
2019-07-25 22:45:57 +00:00
version.php
WordPress 5.3.4.
2020-06-10 21:34:05 +00:00
widgets.php
Docs: Add a @since
note about new parameters with the spread operator added to function signatures.
2019-10-09 04:28:02 +00:00
wlwmanifest.xml
wp-db.php
Docs: Add a @since
note about new parameters with the spread operator added to function signatures.
2019-10-09 04:28:02 +00:00
wp-diff.php