<?php
class Valid_Name {}
class invalid_Name {}
class invalid_name {}
class Invalid_name {}
class VALID_Name {}
class VALID_NAME {}
class VALID_Name {}
class ValidName {}
class _Invalid_Name {}
interface Valid_Name {}
interface invalid_Name {}
interface invalid_name {}
interface Invalid_name {}
interface VALID_Name {}
interface VALID_NAME {}
interface VALID_Name {}
interface ValidName {}
interface _Invalid_Name {}
class ___ {}
interface ___ {}
class Invalid__Name {}
interface Invalid__Name {}
trait Valid_Name {}
trait invalid_Name {}
trait invalid_name {}
trait Invalid_name {}
trait VALID_Name {}
trait VALID_NAME {}
trait VALID_Name {}
trait ValidName {}
trait _Invalid_Name {}
trait ___ {}
trait Invalid__Name {}
enum Valid_Name: string {}
enum invalid_Name : String {}
enum invalid_name {}
enum Invalid_name: Int {}
enum VALID_Name {}
enum VALID_NAME {}
enum VALID_Name : int {}
enum ValidName {}
enum _Invalid_Name {}
enum ___ {}
enum Invalid__Name {}