How to activate plugins automatically in the theme WordpressMu?

How can I activate plugin using function.php? so when the theme is activated, it will also a开发者_运维技巧ctivate specific plugins. thanks

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@me Quite Simple

  require_once('path../wp-admin/includes/plugin.php');
  activate_plugin($plugin_path);    // Activate Plugin

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You can include() the plugin's main php file, but you may have some problems with some of the plugin's hooks so beware :)