[wp-trac] [WordPress Trac] #14941: switch_to_blog() runs with active plugins of original blog

[WordPress Trac]

#14941: switch_to_blog() runs with active plugins of original blog
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 Reporter:  madtownlems   |       Owner:                 
     Type:  defect (bug)  |      Status:  new            
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:                 
 Severity:  normal        |    Keywords:                 
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 The short:
 If I'm blog 1 and I switch_to_blog(2), I'm still running in the
 environment of blog 1.  All blog 1's activated plugins are active, and not
 all of blog 2's plugins necessarily are.

 The long:
 I first ran into the problem trying to get Subscribe2 (S2) to work well
 with Site Wide Tags (SWT).

 SWT basically works like this:
 When someone makes a post on their blog:
 switch_to_blog(aggregrate_blog_id);
 wp_insert_post(...);
 restore_current_blog();

 S2 says that whenever someone inserts a post, to send an email alert out.

 With both of these plugins enabled, a post always generates TWO emails,
 regardless of whether S2 is active on the aggregate blog.  The same is
 true for any behavior that triggers on a new post being created (such as
 automated tweeting, etc).

 I feel that, if I'm really switching to that blog, I should be running
 more comprehensively as it.  That is, with its plugins active, and none of
 its un-activated plugins active.

 The examples of conflicts I gave are blog behavior, and are more or less
 just annoying, but I could easily see this causing unforeseen security
 flaws as well.

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Ticket URL: <http://core.trac.wordpress.org/ticket/14941>
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