[wp-trac] [WordPress Trac] #27866: Multisite subdirectory install breaks if network path has uppercase letters

[WordPress Trac]

#27866: Multisite subdirectory install breaks if network path has uppercase letters
----------------------------+-------------------
 Reporter:  nacin           |      Owner:
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  3.9.1
Component:  Bootstrap/Load  |    Version:  3.9
 Severity:  normal          |   Keywords:
  Focuses:  multisite       |
----------------------------+-------------------
 Report received via email:

 -----

 When a user installs WordPress MultiSite having two segments in the
 relative path AND having a uppercase character in either of the segments
 i.e. for Eg : http://example.com/wp6MU/wp6MU/

 In this case WordPress is not able to load the "$current_blog" in wp-
 includes/wp-settings.php Line 64 because when the function
 get_site_by_path() is called in ms-load.php the use of array_slice() on
 Line 308 skips the $path_segments to only one key instead of two keys. So
 the SELECT query on Line 355 ms-load.php becomes :

 {{{
 SELECT * FROM wp_blogs WHERE domain = 'example.com' AND path IN
 ('/wp6MU/', '/') ORDER BY CHAR_LENGTH(path) DESC LIMIT 1
 }}}

 instead of :
 {{{
 SELECT * FROM wp_blogs WHERE domain = 'example.com' AND path IN
 ('/wp6MU/wp6MU/', '/') ORDER BY CHAR_LENGTH(path) DESC LIMIT 1
 }}}

 Note : This happens only if there is atleast one uppercase character in
 "PATH_CURRENT_SITE" because if all are lower case it goes into the first
 if condition on Line 56 ms-settings.php and if there is an upper case
 character it goes to else part on Line 62. It happens because $path uses
 strtolower() and $current_site->path has the upper case.

--
Ticket URL: <https://core.trac.wordpress.org/ticket/27866>
WordPress Trac <https://core.trac.wordpress.org/>
WordPress publishing platform