[wp-trac] [WordPress Trac] #23221: Multisite in subdirectory with root site address

[WordPress Trac]

#23221: Multisite in subdirectory with root site address
----------------------------+------------------------------
 Reporter:  grapplerulrich  |       Owner:
     Type:  defect (bug)    |      Status:  reopened
 Priority:  normal          |   Milestone:  Awaiting Review
Component:  Bootstrap/Load  |     Version:  3.5
 Severity:  normal          |  Resolution:
 Keywords:  dev-feedback    |     Focuses:  multisite
----------------------------+------------------------------

Comment (by Denis-de-Bernardy):

 For the uploads folder, a mu-plugin and a rewrite rule actually do the
 trick, e.g. for /media that would be:

 {{{
 RewriteRule ^([_0-9a-zA-Z-]+/)?(media/.*) $2 [L]
 }}}

 {{{
 add_filter('pre_option_upload_path', function($val) {
         return '../media';
 });
 add_filter('pre_option_upload_url_path', function($val) {
         $media_url = home_url('/media');
         $media_url = preg_replace("#^.*?//[^/]+#", '', $media_url);
         return $media_url;
 });
 }}}

 Can anyone picture how this could get fixed properly in WP?

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Ticket URL: <https://core.trac.wordpress.org/ticket/23221#comment:25>
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