[wp-trac] [WordPress Trac] #38699: Site count incorrect when using wpmu_create_blog() from a different network

[WordPress Trac]

#38699: Site count incorrect when using wpmu_create_blog() from a different network
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 Reporter:  johnjamesjacoby     |      Owner:
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Networks and Sites  |    Version:  3.0
 Severity:  normal              |   Keywords:  2nd-opinion
  Focuses:  multisite           |
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 When using `wpmu_create_blog()` to create a site on a network ID other
 than the current, both networks end up with incorrect site counts. The
 current network gets +1, the other network ID remains the same.

 In the event this site is the first site in a new network, no site or user
 counts are saved in `wp_sitemeta`.

 This is because of a fleet of functions that do not accept a network ID a
 a parameter. It's also due to a lack of a network "switching" API to flip
 the `$current_site` global around when calling them.

 The following functions lack proper Network attribution:
 * `wp_maybe_update_network_site_counts()`
 * `wp_maybe_update_network_user_counts()`
 * `wp_update_network_counts()`
 * `wp_update_network_user_counts()`
 * `wp_update_network_site_counts()`

 See: #37538.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38699>
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