BuddyPress.org

Remove all the changes listed above that you made to edit.php.

In functions.php, paste this:

function something_updated_profile( $user_id, $posted_field_ids, $errors ) {
	if ( empty( $errors ) ) {
		print_r( $posted_field_ids ); 
		echo "<br>user id: " . $user_id . "<br>";
		print_r( $_POST ); 
	}
}
add_action('xprofile_updated_profile', 'something_updated_profile', 1, 3);

read this:
https://codex.wordpress.org/Function_Reference/do_action