ReflectionType::__toString

    (PHP 7, PHP 8)

    ReflectionType::__toString — Para string

    Descrição

    public ReflectionType::__toString(): string

    Obtém o nome do tipo de parâmetro.

    Parâmetros

    Esta função não possui parâmetros.

    Valor Retornado

    Retorna o tipo do parâmetro.

    Registro de Alterações

    Versão Descrição
    8.0.0 ReflectionType::__toString() foi retornado.
    7.1.0 ReflectionType::__toString() foi descontinuado.

    Exemplos

    Exemplo #1 Exemplo de ReflectionType::__toString()

    <?php
    function someFunction(string $param) {}

    $reflectionFunc = new ReflectionFunction('someFunction');
    $reflectionParam = $reflectionFunc->getParameters()[0];

    echo     $reflectionParam->getType();

    O exemplo acima produzirá algo semelhante a:

    string

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    User Contributed Notes 1 note

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    Anonymous
    3 years ago
    Regarding this method's deprecation:

    ReflectionType::__toString() was first deprecated in PHP 7.1.0 alpha1.
    The deprecation notice was removed in PHP 7.1.0 RC3, before being reinstated in PHP 7.4.0 alpha1.

    Starting with PHP 7.1.0 beta 3, ReflectionParameter::getType() & ReflectionFunctionAbstract::getReturnType() return instances of ReflectionNamedType instead of ReflectionType.
    The ReflectionNamedType class inherits from ReflectionType but provides an additional getName() method which can be used to retrieve the type hint.

    Lastly, PHP 8.0.0 alpha1 introduced the concept of union types (see https://wiki.php.net/rfc/union_types_v2). As a result, ReflectionParameter::getType() & ReflectionFunctionAbstract::getReturnType() will now return either instances of ReflectionNamedType or ReflectionUnionType depending on the type hint, both of which are descendants of ReflectionType.
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