WordPress at a glance
action is not described

personal_options_update action-hook . WP 2.0.0

Fires before the page loads on the 'Your 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_7266' );
function action_function_name_7266( $user_id ){
	// action...
}
$user_id(int)
The user ID.

Where the hook is called

In file: /wp-admin/user-edit.php
personal_options_update
wp-admin/user-edit.php 132
do_action( 'personal_options_update', $user_id );

Where the hook is used (in WP core)

wp-admin/includes/admin-filters.php 119
add_action( 'personal_options_update', 'send_confirmation_on_profile_email' );