This replaces the `VHOST` and `SUBDOMAIN_INSTALL` constant names in a message in `ms_subdomain_constants()` with placeholders, as they don't need to be translated.
Follow-up to [36773].
Props weboccults, hztyfoon, pratiweb.
Fixes#56216.
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As per the PHP manual:
> If the `component` parameter is omitted, an associative array is returned.
> If the `component` parameter is specified, `parse_url()` returns a string (or an int, in the case of `PHP_URL_PORT`) instead of an array. If the requested component doesn't exist within the given URL, `null` will be returned.
Reference: [https://www.php.net/manual/en/function.parse-url.php#refsect1-function.parse-url-returnvalues PHP Manual: parse_url(): Return Values]
It is entirely possible for the `siteurl` option to not have a "path" component.
In PHP 8.1, this would lead to a `trim(): Passing null to parameter #1 ($string) of type string is deprecated` notice.
Changing the logic around and adding validation for the return type value of `parse_url()` prevents that.
As this function is declaring global constants, adding tests for this change is not really an option without potentially affecting other tests.
Follow-up to [51606], [51622], [51626], [51629].
Props jrf, hellofromTonya, SergeyBiryukov.
See #53635.
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The tag was supported in phpDocumentor 1.x, but is no longer supported in 2.x and 3.x.
Usage of static variables is considered an internal implementation detail and has no information value for someone reading the docs.
Props alishanvr, jrf.
Fixes#50426.
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`get_current_blog_id()` is more appropriate for determining the ID of the current site in most cases. This eliminates the need for the global `$wpdb` in several functions and is better than the implicit global used in admin pages.
Props bnap00, spacedmonkey.
Fixes#41684.
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`get_network()` falls back to the current network when called without any arguments. Between this and `get_current_network_id()`, we can replace almost all instances of the global `$current_site` and all instances of `get_current_site()`.
This effectively deprecates `get_current_site()`, something that we'll do in a future ticket.
Props flixos90.
Fixes#37414.
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The `_network_option()` parameter order will be changing to accept `$network_id` first. The `_site_option()` functions will remain in use throughout core as our way of retrieving a network option for the current network.
See #28290.
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This is necessary because, like subdirectory installs, we will have wp-admin accessed at different levels.
fixes#22705.
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Prevents wp_upload_dir() from obeying the UPLOADS constant when ms-files rewriting is enabled and a blog is switched.
Reverts [22106] thanks to [22108].
see #19235.
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