WordPress at a glance
filter is not described

user_contactmethods filter-hook . WP 2.9.0

Filters the user contact methods.

Usage

add_filter( 'user_contactmethods', 'filter_function_name_9306', 10, 2 );
function filter_function_name_9306( $methods, $user ){
	// filter...

	return $methods;
}
$methods(array)
Array of contact methods and their labels.
$user(WP_User)
WP_User object.

Where the hook is called

wp_get_user_contact_methods()
user_contactmethods
wp-includes/user.php 2167
return apply_filters( 'user_contactmethods', $methods, $user );

Where the hook is used (in WP core)

Does not used.