ReflectionEnum::getBackingType

    (PHP 8 >= 8.1.0)

    ReflectionEnum::getBackingType — Gets the backing type of an Enum, if any

    Description

    publicReflectionEnum::getBackingType(): ?ReflectionNamedType

    If the enumeration is a Backed Enum, this method will return an instance of ReflectionType for the backing type of the Enum. If it is not a Backed Enum, it will return null.

    Liste de paramètres

    Cette fonction ne contient aucun paramètre.

    Valeurs de retour

    An instance of ReflectionNamedType, or null if the Enum has no backing type.

    Historique

    VersionDescription
    8.2.0 The return type is now declared as ?ReflectionNamedType. Previously, ?ReflectionType was declared.

    Exemples

    Exemple #1 ReflectionEnum::getBackingType() example

    <?php
    enum Suit: string
    {
    case     Hearts = 'H';
    case     Diamonds = 'D';
    case     Clubs = 'C';
    case     Spades = 'S';
    }

    $rEnum = new ReflectionEnum(Suit::class);

    $rBackingType = $rEnum->getBackingType();

    var_dump((string)$rBackingType);
    ?>

    L'exemple ci-dessus va afficher :

    string(6) "string"

    Voir aussi

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