`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 `$current_site` and all instances of `get_current_site()`.
This effectively deprecates `get_current_site()`, something that we'll do in a future ticket.
Props flixos90.
Fixes#37414.
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It is possible to short circuit `get_site_by_path()` using the `pre_get_site_by_path` filter. When this happens and a standard site object is provided, we can make sure it is upgraded to a proper `WP_Site` object before passing it on.
Props flixos90.
Fixes#37053.
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`wp_get_network()` was converted into a wrapper for `get_network()` in 4.6.0 and can now be deprecated.
This moves `wp_get_network()` to the bottom of `ms-load.php` as `ms-deprecated.php` is not available early enough.
Props PieWP, flixos90.
Fixes#37553.
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Before [37628], there were 3 separate conditions for ordering by domain and/or path in `get_site_by_path()` that each resulted in it's own query. Now that `get_sites()` is used and supports `WP_Site_Query`, this can be simplified.
Props spacedmonkey.
Fixes#37215.
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Introduce `ms_load_current_site_and_network`. This is used by core during the multisite bootstrap process to populate the `$current_site` and `$current_blog` globals based on a requested domain and path.
Return values from this function inform `ms-settings.php` as to whether a page view should continue, `ms_not_installed()` should fire, or a redirect to a new location should occur.
This was previously a procedural block in `ms-settings.php`. Wrapping this code and providing specific return values allows us to write tests that do not rely on the manual and repeated inclusion of `ms-settings.php`.
This should not be used by plugins or themes. Please.
See #34941.
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The `_network_option()` parameter order will be changing to accept `$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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Move the internals of `get_network_by_path()` to `WP_Network()` and allow network objects to be retrieved by passing a requested domain and path.
Props johnjamesjacoby, jeremyfelt, drewapicture, wonderboymusic.
See #31985.
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A `WP_Network` object initially matches a row from `wp_site` and is populated with additional properties used by WordPress core. The first iteration is used to retrieve an existing network based on data passed to the class.
* A network can be retrieved by its ID through `WP_Network::get_instance()`, following in the steps of `WP_Post` and `WP_Comment`.
* A network object can be created or completed by passing initial properties in as a standard object to `new WP_Network()`.
Using these methods, we are now able to populate the global `$current_site` during load via this class.
Props johnjamesjacoby, jeremyfelt, drewapicture, wonderboymusic.
See #31985.
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In admin views, specify a response code of 500 when using `wp_die()` to show an expanded message for a broken or missing multisite installation.
On front end views, use `dead_db()` rather than `die()` to generate the generic "Error establishing a database connection" message. `dead_db()` sets a status code of 500 by default and allows for the override of this generic error with a `db-error.php` template.
Props craig-ralston, jeremyfelt.
Fixes#30002.
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Affects DocBlocks for the following core elements:
* Backtick-escape an HTML tag in the description for the `media_upload_mime_type_links()` hook
* Backtick-escape inline code in the description for `wp_get_active_network_plugins()`
* Remove HTML tags from the summaries for the `nav_menu_css_class`, `nav_menu_item_id`, and `nav_menu_link_attributes` hooks
* Backtick-escape HTML tags, add inline `@see` tags to parameter descriptions for the `nav_menu_css_class`, `nav_menu_item_id`, and `nav_menu_link_attributes` hooks
Props rarst.
See #30473.
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This is the first big step to supporting arbitrary domains and paths. In this new approach, sites are detected first where possible, then the network is inferred. Allows filtering for arbitrary path segments, smooths out some weirdness, and removes various restrictions. A sunrise plugin could do much of its work by adding filters, if those are even needed.
see #27003.
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Tries to get network detection under control by simplifying wpmu_current_site(). It now also pops off each subdomain to find a more general match. Adds unit tests for get_network_by_path() and a new network factory for unit tests.
Much of this is likely to change in 3.9 as more of ms-load.php and ms-settings.php gets hacked to bits.
props jeremyfelt.
see #27003.
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These commits were accidentally re-synced commits from develop.svn.wordpress.org due to a race condition. Thankfully, the history of this repository matters fairly little. It also happened only for trunk.
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