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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 |
|---|---|
| 1010 | /** |
| 1011 | * Fires immediately after a new user is activated. |
| 1012 | * |
| 1013 | * @since MU |
| 1014 | * |
| 1015 | * @param int $user_id User ID. |
| 1016 | * @param int $password User password. |
| 1017 | * @param array $meta Signup meta data. |
| 1018 | */ |
| 1019 | do_action( 'wpmu_activate_user', $user_id, $password, $meta ); |
| 1020 | return array( 'user_id' => $user_id, 'password' => $password, 'meta' => $meta ); |
| 1021 | } |
| 1022 | |
| 1023 | $blog_id = wpmu_create_blog( $signup->domain, $signup->path, $signup->title, $user_id, $meta, $wpdb->siteid ); |
| 1024 | |
| 1025 | // TODO: What to do if we create a user but cannot create a blog? |
| 1026 | if ( is_wp_error($blog_id) ) { |
| 1027 | // If blog is taken, that means a previous attempt to activate this blog failed in between creating the blog and |
| 1028 | // setting the activation flag. Let's just set the active flag and instruct the user to reset their password. |