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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 |
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857 | } |
858 |
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859 | /** |
860 | * Fires before the user is granted Super Admin privileges. |
861 | * |
862 | * @since 3.0.0 |
863 | * |
864 | * @param int $user_id ID of the user that is about to be granted Super Admin privileges. |
865 | */ |
866 | do_action( 'grant_super_admin', $user_id ); |
867 |
|
868 | // Directly fetch site_admins instead of using get_super_admins() |
869 | $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); |
870 |
|
871 | $user = get_userdata( $user_id ); |
872 | if ( $user && ! in_array( $user->user_login, $super_admins ) ) { |
873 | $super_admins[] = $user->user_login; |
874 | update_site_option( 'site_admins' , $super_admins ); |
875 |
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