[wp-trac] [WordPress Trac] #42812: Use MySQLi when available by default

[WordPress Trac]

#42812: Use MySQLi when available by default
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 Reporter:  dd32                          |       Owner:  dd32
     Type:  enhancement                   |      Status:  closed
 Priority:  normal                        |   Milestone:  4.9.2
Component:  Database                      |     Version:
 Severity:  normal                        |  Resolution:  fixed
 Keywords:  has-patch commit fixed-major  |     Focuses:
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Changes (by SergeyBiryukov):

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


Comment:

 In [changeset:"42455"]:
 {{{
 #!CommitTicketReference repository="" revision="42455"
 WPDB: Always use `mysqli` when available.

 This change makes WordPress use `mysqli` on PHP <5.5 when available,
 instead of only in PHP 5.5+ and development installs.

 WPDB includes a fallback to `mysql` in the event that the database
 connection fails with `mysqli` so incompatibilities should be few and far
 between.

 Props dd32.
 Merges [42388] to the 4.9 branch.
 Fixes #42812.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/42812#comment:6>
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