[wp-trac] [WordPress Trac] #39778: Introduce helper function to validate UUID V4

[WordPress Trac]

#39778: Introduce helper function to validate UUID V4
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 Reporter:  jonathanbardo                 |       Owner:
     Type:  enhancement                   |      Status:  new
 Priority:  normal                        |   Milestone:  4.8
Component:  Customize                     |     Version:  trunk
 Severity:  normal                        |  Resolution:
 Keywords:  needs-unit-tests needs-patch  |     Focuses:
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Comment (by jonathanbardo):

 @westonruter Latest patch will only enforce validating a UUID V4 if the
 version parameter is provided and set to 4 and will be checking if we are
 dealing with a general UUID string otherwise.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39778#comment:6>
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