The BackedEnum interface

(PHP 8 >= 8.1.0)

Einführung

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-Übersicht

interface BackedEnum extends UnitEnum {
/* Methoden */
public static from(int|string $value): static
public static tryFrom(int|string $value): ?static
/* Geerbte Methoden */
public static UnitEnum::cases(): array
}

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