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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 |
|---|---|
| 701 | * @param int $user_id |
| 702 | */ |
| 703 | function revoke_super_admin( $user_id ) { |
| 704 | global $super_admins; |
| 705 | |
| 706 | // If global super_admins override is defined, there is nothing to do here. |
| 707 | if ( isset($super_admins) ) |
| 708 | return false; |
| 709 | |
| 710 | do_action( 'revoke_super_admin', $user_id ); |
| 711 | |
| 712 | // Directly fetch site_admins instead of using get_super_admins() |
| 713 | $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); |
| 714 | |
| 715 | $user = new WP_User( $user_id ); |
| 716 | if ( $user->user_email != get_site_option( 'admin_email' ) ) { |
| 717 | if ( false !== ( $key = array_search( $user->user_login, $super_admins ) ) ) { |
| 718 | unset( $super_admins[$key] ); |
| 719 | update_site_option( 'site_admins', $super_admins ); |