[wp-trac] [WordPress Trac] #29858: Permalinks not redirecting from various types to setting value

[WordPress Trac]

#29858: Permalinks not redirecting from various types to setting value
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 Reporter:  gmisura       |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Canonical     |    Version:  4.0
 Severity:  normal        |   Keywords:
  Focuses:                |
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 On a fresh install of WordPress4.0, I changed the permalink structure to
 "Day and Name" (i.e. yyyy/mm/dd/sample-post). If you go to /sample-post/
 you are redirected to yyyy/mm/dd/sample-post (expected).

 However, if you change the permalink structure to "Post Name" and you
 request the url: 2014/10/03/hello-world/ you are not redirected to /hello-
 world/ you get a 404 error.

 I'd hope that is not intentional, and that this is a bug that can be
 fixed.

 Looks like this extends to other settings:

 Some additional testing shows there's a few more bugs:

 ||= permalink =||= ?p=1 =||= /yyyy/mm/dd/hello-world/ =||= /yyyy/mm/hello-
 world/ =||= /archives/1/ =||= /hello-world/ =||
 ||default      ||HTTP 200  ||HTTP 200                 ||HTTP 200
 ||HTTP 200     ||HTTP 200 ||
 ||Day & Name   ||HTTP 301  ||HTTP 200                 ||HTTP 301
 ||HTTP 404*    ||HTTP 301||
 ||Month & Name ||HTTP 301  ||HTTP 301                 ||HTTP 200
 ||HTTP 404*    ||HTTP 301||
 ||Numeric      ||HTTP 301  ||HTTP 301                 ||HTTP 301
 ||HTTP 200     ||HTTP 301||
 ||Post name    ||HTTP 301  ||HTTP 404*                ||HTTP 404*
 ||HTTP 404*    ||HTTP 200||

 (The first column is the setting in wordpress, the top row is the
 requested URL).

 I would expect HTTP 301 for all of the HTTP 404*'s

 I poked around the code (though debugging at midnight with a 6am alarm is
 not smart) and putting in debugging statements, came to what I believe is
 a problem in query not recognizing the postname in the URL when it comes
 after dd. If I add ?name=hello-world, things start to act better (i.e.
 permalink setting: post Name, /yyyy/mm/dd/hello-world/?name=hello-world
 returns 301 and I get sent to /hello-world as expected).

 My goal is to change a long existing blog from Day & name to Post name.
 For SEO reasons, /post-name should be canonical and all other links should
 redirect to it.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29858>
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