[wp-trac] [WordPress Trac] #41722: wpdb::db_connect() does not connect to IPv6 address of mysql server

[WordPress Trac]

#41722: wpdb::db_connect() does not connect to IPv6 address of mysql server
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 Reporter:  fierevere                               |       Owner:  pento
     Type:  defect (bug)                            |      Status:  closed
 Priority:  normal                                  |   Milestone:  4.9
Component:  Database                                |     Version:  4.8.1
 Severity:  normal                                  |  Resolution:  fixed
 Keywords:  has-patch needs-testing has-unit-tests  |     Focuses:
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Changes (by pento):

 * status:  reopened => closed
 * resolution:   => fixed


Comment:

 In [changeset:"41820"]:
 {{{
 #!CommitTicketReference repository="" revision="41820"
 Database: When parsing the host, leave the port and socket as `null` if
 they're not defined.

 This fixes a change in behaviour introduced by [41629].

 The host is set to an empty string when it isn't defined, this continues
 existing behaviour. In particular, the mysqli library treats a `null` host
 as being the same as `localhost`, which is not always the intended
 behaviour.

 Props birgire, markjaquith, pento.
 Fixes #41722.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/41722#comment:18>
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