[wp-trac] [WordPress Trac] #38305: wrong permalink structure return by get_permalink() when switching blog in WPMU

[WordPress Trac]

#38305: wrong permalink structure return by get_permalink() when switching blog in
WPMU
--------------------------------+-----------------------------
 Reporter:  5um17               |      Owner:
     Type:  defect (bug)        |     Status:  new
 Priority:  normal              |  Milestone:  Awaiting Review
Component:  Networks and Sites  |    Version:
 Severity:  normal              |   Keywords:
  Focuses:  multisite           |
--------------------------------+-----------------------------
 I am on blog ID 2 and switch to blog ID 1 then calls `get_permalink()`
 without an argument it returns permalink of current post of blog ID 2 and
 with permalink structure of blog ID 1.

 Example:-
 {{{#!php
 add_action('wp_footer', function(){
     switch_to_blog(1);
     echo get_permalink();
     restore_current_blog();
 });
 }}}

 The same does not happen with pages but happens with post.

 PS: I am also concerned about return value. Why it is returning current
 post of current blog? It is breaking the other plugins those are storing
 the post IDs in their custom tables thus making a wrong join with invalid
 post ID.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38305>
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