The BackedEnum interface

(PHP 8 >= 8.1.0)

Introduction

The BackedEnum interface is automatically applied to backed 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 BackedEnum extends UnitEnum {
/* Methods */
public static from(int|string $value): static
public static tryFrom(int|string $value): ?static
/* Inherited methods */
public static UnitEnum::cases(): array
}

Table of Contents

add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top