This hook allows you to access data for a user immediately after their database information is updated. Two arguments are passed to functions using this hook: "user_id" (int) and "old_user_data" (object).
<?php add_action( 'profile_update', 'my_profile_update', 10, 2 ); function my_profile_update( $user_id, $old_user_data ) { // Do something } ?>
This hook is located in `/wp-includes/user.php
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