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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 |
|---|---|
| 619 | do_action( 'grant_super_admin', $user_id ); |
| 620 | |
| 621 | // Directly fetch site_admins instead of using get_super_admins() |
| 622 | $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); |
| 623 | |
| 624 | $user = get_userdata( $user_id ); |
| 625 | if ( $user && ! in_array( $user->user_login, $super_admins ) ) { |
| 626 | $super_admins[] = $user->user_login; |
| 627 | update_site_option( 'site_admins' , $super_admins ); |
| 628 | do_action( 'granted_super_admin', $user_id ); |
| 629 | return true; |
| 630 | } |
| 631 | return false; |
| 632 | } |
| 633 | |
| 634 | /** |
| 635 | * Revokes super admin privileges. |
| 636 | * |
| 637 | * @since 3.0.0 |