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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code | 
|---|---|
| 10 |  | 
| 11 |      /** | 
| 12 |       * Fires before the administration menu loads in the Network Admin. | 
| 13 |       * | 
| 14 |       * The hook fires before menus and sub-menus are removed based on user privileges. | 
| 15 |       * | 
| 16 |       * @private | 
| 17 |       * @since 3.1.0 | 
| 18 |       */ | 
| 19 |      do_action( '_network_admin_menu' ); | 
| 20 | } elseif ( is_user_admin() ) { | 
| 21 |  | 
| 22 |      /** | 
| 23 |       * Fires before the administration menu loads in the User Admin. | 
| 24 |       * | 
| 25 |       * The hook fires before menus and sub-menus are removed based on user privileges. | 
| 26 |       * | 
| 27 |       * @private | 
| 28 |       * @since 3.1.0 |