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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 |
|---|---|
| 711 | wpmu_welcome_user_notification($user_id, $password, $meta); |
| 712 | $user_site = get_site_option( 'dashboard_blog', $current_site->blog_id ); |
| 713 | |
| 714 | if ( $user_site == false ) |
| 715 | add_user_to_blog( '1', $user_id, get_site_option( 'default_user_role', 'subscriber' ) ); |
| 716 | else |
| 717 | add_user_to_blog( $user_site, $user_id, get_site_option( 'default_user_role', 'subscriber' ) ); |
| 718 | |
| 719 | add_new_user_to_blog( $user_id, $user_email, $meta ); |
| 720 | do_action('wpmu_activate_user', $user_id, $password, $meta); |
| 721 | return array('user_id' => $user_id, 'password' => $password, 'meta' => $meta); |
| 722 | } |
| 723 | |
| 724 | $blog_id = wpmu_create_blog( $signup->domain, $signup->path, $signup->title, $user_id, $meta, $wpdb->siteid ); |
| 725 | |
| 726 | // TODO: What to do if we create a user but cannot create a blog? |
| 727 | if ( is_wp_error($blog_id) ) { |
| 728 | // If blog is taken, that means a previous attempt to activate this blog failed in between creating the blog and |
| 729 | // setting the activation flag. Let's just set the active flag and instruct the user to reset their password. |