In `get_the_pagination()`, don't pass `$links` to `_navigation_markup()` if it is not a string - `paginate_links()` can return an `array`.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30166 602fd350-edb4-49c9-b593-d223f7449a82
In `wp_ajax_ajax_tag_search()`, bail immediately if `$_GET['tax']` isn't set so that all of the variable setting can happen in the same nest scope as the rest of the function - `wp_die()` confuses Scrutinizer.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30167 602fd350-edb4-49c9-b593-d223f7449a82
In `wp_ajax_get_tagcloud()`, bail immediately if `$_POST['tax']` isn't set so that all of the variable setting can happen in the same nest scope as the rest of the function - `wp_die()` confuses Scrutinizer.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30168 602fd350-edb4-49c9-b593-d223f7449a82
Fix the return value doc for `WP_List_Table->get_pagination_arg()`.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30169 602fd350-edb4-49c9-b593-d223f7449a82
Declare the `$options` property for `WP_Upgrader_Skin`.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30170 602fd350-edb4-49c9-b593-d223f7449a82
Declare the `$update_count` and `$update_current` properties for `WP_Upgrader`.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30171 602fd350-edb4-49c9-b593-d223f7449a82
Declare the `$uploaded_headers` and `$default_headers` properties for `WP_Customize_Header_Image_Control`.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30172 602fd350-edb4-49c9-b593-d223f7449a82
In `_WP_Editors::editor_settings()`, `$str1` and `$str2` don't need to be initialized empty.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30173 602fd350-edb4-49c9-b593-d223f7449a82
Split tests for wp_get_sites()

Test various arguments for `wp_get_sites()` in a more intentful way rather than in one large test. Leave tests for limit and offset together for convenience.

See #30080


git-svn-id: https://develop.svn.wordpress.org/trunk@30174 602fd350-edb4-49c9-b593-d223f7449a82