An empty string causes some browsers to use the current URL as the `href`. When using `history.replaceState()` Chrome will re-fetch the favicon with each call, meaning that `customize.php` gets hit with wasted requests which tax the server.
Fixes#38377.
Built from https://develop.svn.wordpress.org/trunk@38901
git-svn-id: http://core.svn.wordpress.org/trunk@38844 1a063a9b-81f0-0310-95a4-ce76da25c4cd
One thing fairly common to the cache groups is a block of code to look to see when the cache was last changed, and if there isn't one, to set it for the current microtime(). It appears in 8 different places in core. This adds a new helper `wp_cache_get_last_changed` to DRY things up a bit.
Since `wp-includes/cache.php` isn't guaranteed to be loaded, this new function is in `wp-includes/functions.php`
Props spacedmonkey, desrosj.
Fixes#37464.
Built from https://develop.svn.wordpress.org/trunk@38849
git-svn-id: http://core.svn.wordpress.org/trunk@38792 1a063a9b-81f0-0310-95a4-ce76da25c4cd
[37920] introduced resource hints that allow browsers to prefetch specific pages or render them in the background. With this change, the `as`, `crossorigin`, `pr`, and `type` attributes can be passed in addition to the URLs/hosts.
Props peterwilsoncc, swissspidy.
Fixes#38121.
Built from https://develop.svn.wordpress.org/trunk@38826
git-svn-id: http://core.svn.wordpress.org/trunk@38769 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Introduces some consistency in the usage of the button CSS classes, fixes the
focus style for accessibility and responsiveness of the buttons.
- Adds the `button` class to all primary buttons make them responsive
- Removes all `secondary-button` classes and replaces it with button when needed. `button-secondary` shouldn't be used and exists just for backward compatibility reasons
- Replaces classes inside `submit_button()` with a shorthand for some buttons, and use an empty string for the default `button` class. Passing `button` is unnecessary
- Adjusts `get_submit_button()` to remove empty items
Props iseulde, dimchik, chris_d2d, mhowell, afercia.
Fixes#27314, #37138, #37448.
Built from https://develop.svn.wordpress.org/trunk@38672
git-svn-id: http://core.svn.wordpress.org/trunk@38615 1a063a9b-81f0-0310-95a4-ce76da25c4cd
* `wp-admin` and `wp-includes` are scanned for classes to autoload
* Several 3rd-party and Ryan McCue-shaped libraries are excluded when the classmap is generated, see `composer.json`: `autoload.exclude-from-classmap`
* `wp-vendor/autoload_52.php` is included at the top of `wp-settings.php` - no changes need to be made to unit tests to include the autoloader
* An avalanche of `require()` and `require_once()` calls that loaded class files have been removed from the codebase.
The following files have been added to `svn:ignore` - they are not 5.2-compatible and fail during pre-commit:
* src/wp-vendor/autoload.php
* src/wp-vendor/composer/autoload_real.php
* src/wp-vendor/composer/autoload_static.php
* src/wp-vendor/composer/ClassLoader.php
We favor these files instead:
* src/wp-vendor/autoload_52.php
* src/wp-vendor/composer/autoload_real_52.php
* src/wp-vendor/composer/ClassLoader52.php
When new PHP classes are added to the codebase, simply run `composer install` or `composer update` from the project root to update the autoloader.
The future is now.
See #36335.
Built from https://develop.svn.wordpress.org/trunk@38399
git-svn-id: http://core.svn.wordpress.org/trunk@38340 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`wp_resource_hints()` parses the URL for the `preconnect` and `dns-prefetch` relation types to ensure correct values for both. While protocol-relative URLs are supported for `dns-prefetch`, the double slash was lost for `preconnect`.
Props swissspidy, peterwilsoncc.
Props azaozz for review.
Fixes#37652.
Built from https://develop.svn.wordpress.org/trunk@38255
git-svn-id: http://core.svn.wordpress.org/trunk@38196 1a063a9b-81f0-0310-95a4-ce76da25c4cd
* `preconnect` will be potentially pretty heavy on the CDN. With the Unicode 9.0 emoji update, almost all browsers will trigger the `preconnect`.
* `preconnect` only opens one connection, but `s.w.org` is HTTP/1.1, so the browser will use the preconnected connection for the first emoji, then it has to open new connections for subsequent emoji.
Also use the same URL as we use for the `emoji_svg_url` filter. This will print the hint for the correct CDN in case someone uses a custom CDN.
Props peterwilsoncc.
Fixes#37387.
Built from https://develop.svn.wordpress.org/trunk@38122
git-svn-id: http://core.svn.wordpress.org/trunk@38063 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Externally hosted script and style dependencies trigger `dns-prefetch` hinting only when enqueued. This removed a bug in which hinting was added on registration.
Renames the function `wp_resource_hints_scripts_styles` to `wp_dependencies_unique_hosts` as the function provides the hosts, not the hinting.
Props swissspidy.
Fixes#37385.
Built from https://develop.svn.wordpress.org/trunk@38100
git-svn-id: http://core.svn.wordpress.org/trunk@38041 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Resource hints allow browsers to prefetch specific pages or render them in the background to perform DNS lookups or to begin the connection handshake (DNS, TCP, TLS) in the background.
By default, `wp_resource_hints()` prints hints for "s.w.org" (the WordPress.org CDN) and for all scripts and styles which are enqueued from external hosts.
Use the `wp_resource_hints` filter to add custom domains and URLs for `dns-prefetch`, `preconnect`, `prefetch` or `prerender`.
Props voldemortensen, swissspidy.
Fixes#34292.
Built from https://develop.svn.wordpress.org/trunk@37920
git-svn-id: http://core.svn.wordpress.org/trunk@37861 1a063a9b-81f0-0310-95a4-ce76da25c4cd
The return from `wp_logout_url()` is HTML-encoded due to its value passing through `wp_nonce_url()` and thus `esc_html()`. Adversely `wp_login_url()` passes through no such escaping and therefore should not be expected to return an HTML-encoded value.
Props akibjorklund for the initial patch.
Fixes#34352.
Built from https://develop.svn.wordpress.org/trunk@37753
git-svn-id: http://core.svn.wordpress.org/trunk@37718 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Unifies the APIs for getting a post's modified date or time with getting a post's date or time.
Adds the `$post` parameter to the functions `get_the_modified_date` and `get_the_modified_time`.
Adds the `$post` parameter to the filters `get_the_modified_date` and `get_the_modified_time`.
Props Soean, lukecavanagh.
Fixes#37059.
Built from https://develop.svn.wordpress.org/trunk@37738
git-svn-id: http://core.svn.wordpress.org/trunk@37703 1a063a9b-81f0-0310-95a4-ce76da25c4cd
