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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 |
|---|---|
| 900 | } |
| 901 | |
| 902 | /** |
| 903 | * Fires before the user is granted Super Admin privileges. |
| 904 | * |
| 905 | * @since 3.0.0 |
| 906 | * |
| 907 | * @param int $user_id ID of the user that is about to be granted Super Admin privileges. |
| 908 | */ |
| 909 | do_action( 'grant_super_admin', $user_id ); |
| 910 | |
| 911 | // Directly fetch site_admins instead of using get_super_admins() |
| 912 | $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); |
| 913 | |
| 914 | $user = get_userdata( $user_id ); |
| 915 | if ( $user && ! in_array( $user->user_login, $super_admins ) ) { |
| 916 | $super_admins[] = $user->user_login; |
| 917 | update_site_option( 'site_admins', $super_admins ); |
| 918 | |