The UnitEnum interface

- « Stringable::__toString

- UnitEnum::cases »

- PHP Manual
- Predefined Interfaces and Classes
- The UnitEnum interface

# The UnitEnum interface

(PHP 8 >= 8.1.0)

## Introduction

The UnitEnum interface is automatically applied to all enumerations by the engine. It may not be implemented by user-defined classes. Enumerations may not override its methods, as default implementations are provided by the engine. It is available only for type checks.

## Interface synopsis

interface UnitEnum {
/* Methods */
public static cases(): array
}

## Table of Contents

- UnitEnum::cases — Generates a list of cases on an enum