[wp-trac] [WordPress Trac] #12993: 'get_current_blog()' and/or 'current_blog_id()' function?

[WordPress Trac]

#12993: 'get_current_blog()' and/or 'current_blog_id()' function?
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 Reporter:  martythornley    |       Owner:                       
     Type:  feature request  |      Status:  new                  
 Priority:  normal           |   Milestone:  Future Release       
Component:  Multisite        |     Version:  3.0                  
 Severity:  normal           |    Keywords:  current blog, blog id
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Comment(by martythornley):

 Replying to [comment:2 nacin]:
 > > People are currently having to call global variables to use $wpdb,
 $current_site and/or $blog_id. I feel all of these are messy and pretty
 generic variables to be using within theme or plugin files.
 >
 > Introducing a *fourth* way to determine blog ID isn't going to get more
 cleaner.
 >
 > The global $blog_id has existed for quite some time, even outside of MU
 in regular WP. So that's not going anywhere. Given WP's dependence on
 globals already, these should be relied on for the most part.

 The whole reason of my bringing this up is I tried using $blog_id in a
 plugin that used add_action to add to the init action and it screwed
 things up. Using global variables with generic names is bad form. It
 requires developers to know every globla variable or else risk redefining
 them.

 This isn't about introducing a fourth way, it is about introducing THE way
 and losing the ones that need intimate knowledge of the core WordPress
 functions. Getting the current blog id should be fool proof and currently
 it is not.

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Ticket URL: <http://core.trac.wordpress.org/ticket/12993#comment:3>
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