WordPress at a glance
action is not described

personal_options_update action-hook . WP 2.0.0

Fires before the page loads on the 'Profile' editing screen.

The action only fires if the current user is editing their own profile.

Usage

add_action( 'personal_options_update', 'action_function_name_27' );
function action_function_name_27( $user_id ){
	// action...
}
$user_id(int)
The user ID.

Changelog

Since 2.0.0 Introduced.

Where the hook is called

In file: /wp-admin/user-edit.php
personal_options_update
wp-admin/user-edit.php 142
do_action( 'personal_options_update', $user_id );

Where in WP core the hook is used WordPress

wp-admin/user-edit.php 110
add_action( 'personal_options_update', 'send_confirmation_on_profile_email' );