SymfonyWorld Online 2022 Winter Edition

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
}

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