[wp-trac] [WordPress Trac] #14170: Problems with network activation

[WordPress Trac]

#14170: Problems with network activation
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 Reporter:  scribu        |       Owner:             
     Type:  defect (bug)  |      Status:  new        
 Priority:  high          |   Milestone:  3.1        
Component:  Multisite     |     Version:             
 Severity:  major         |    Keywords:  needs-patch
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Comment(by coolmann):

 Hi everybody, I know this is not a support forum, but please allow me to
 ask a question about this specific issue. I'm developing a plugin and I'd
 like to make it multi-site aware. Since things are changing in WP 3.1
 about the network activation, per your discussion here above, I wanted to
 understand if it's safe to use the following code for my activation
 function

 {{{
 register_activation_hook( __FILE__, 'coolmann_activate' );
 function coolmann_activate() {
         global $wpdb;
         if (function_exists('is_multisite') && is_multisite()) {
                 if (isset($_GET['networkwide']) && ($_GET['networkwide']
 == 1)) {
                         $old_blog = $wpdb->blogid;
                         // Get all blog ids
                         $blogids = $wpdb->get_col($wpdb->prepare("SELECT
 blog_id FROM $wpdb->blogs"));
                         foreach ($blogids as $blog_id) {
                                 switch_to_blog($blog_id);
                                 _single_blog_activate();
                         }
                         switch_to_blog($old_blog);
                         return;
                 }
         }
         _single_blog_activate();
 }
 }}}

 where _single_blog_activate() is the function that I use to initialize
 options, tables, etc. What do you think?

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Ticket URL: <http://core.trac.wordpress.org/ticket/14170#comment:22>
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