is_user_spammy() WordPress Function

function is_user_spammy( $user = null ) {
	if ( ! ( $user instanceof WP_User ) ) {
		if ( $user ) {
			$user = get_user_by( 'login', $user );
		} else {
			$user = wp_get_current_user();
		}
	}

	return $user && isset( $user->spam ) && 1 == $user->spam;
}
Uses	Description
wp-includes/pluggable.php:get_user_by()	Retrieve user info by a given field
wp-includes/pluggable.php:wp_get_current_user()	Retrieve the current user object.
Used By	Description
wp-includes/user.php:get_password_reset_key()	Creates, stores, then returns a password reset key for user.
wp-includes/user.php:wp_authenticate_spam_check()	For Multisite blogs, checks if the authenticated user has been marked as a spammer, or if the user’s primary blog has been marked as spam.