[wp-trac] [WordPress Trac] #63986: Multisite site registration table doesn't support IPv6

[WordPress Trac]

#63986: Multisite site registration table doesn't support IPv6
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 Reporter:  dd32                    |      Owner:  (none)
     Type:  defect (bug)            |     Status:  new
 Priority:  normal                  |  Milestone:  Awaiting Review
Component:  Login and Registration  |    Version:
 Severity:  normal                  |   Keywords:
  Focuses:  multisite               |
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 The `wp_registration_log` table stores a log of created Multisite sites,
 this includes an IP address.

 It appears that the table (and code) only expects a IPv4 address, not
 allowing for IPv6.

 Attached PR is untested and only validated on a visual review.

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Ticket URL: <https://core.trac.wordpress.org/ticket/63986>
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