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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 |
|---|---|
| 718 | |
| 719 | // Directly fetch site_admins instead of using get_super_admins() |
| 720 | $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); |
| 721 | |
| 722 | $user = new WP_User( $user_id ); |
| 723 | if ( $user->user_email != get_site_option( 'admin_email' ) ) { |
| 724 | if ( false !== ( $key = array_search( $user->user_login, $super_admins ) ) ) { |
| 725 | unset( $super_admins[$key] ); |
| 726 | update_site_option( 'site_admins', $super_admins ); |
| 727 | do_action( 'revoked_super_admin', $user_id ); |
| 728 | return true; |
| 729 | } |
| 730 | } |
| 731 | return false; |
| 732 | } |
| 733 | |
| 734 | /** |
| 735 | * Whether or not we can edit this network from this page |
| 736 | * |