ReflectionAttribute::newInstance

    (PHP 8)

    ReflectionAttribute::newInstance — Instantiates the attribute class represented by this ReflectionAttribute class and arguments

    Опис

    public ReflectionAttribute::newInstance(): object

    Instantiates the attribute class represented by this ReflectionAttribute class and arguments.

    Параметри

    У цієї функції немає параметрів.

    Значення, що повертаються

    New instance of the attribute.

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    User Contributed Notes 2 notes

    up
    2
    baptiste at pillot dot fr
    1 year ago
    Calling ReflectionAttribute::newInstance() using an attribute name that does not have a corresponding class will result in an error.

    Example :

    <?php
    #[FakeAttribute]
    class     Test {}

    try {
    (new     ReflectionClass(Test::class))->getAttributes()[0]->newInstance();
    }
    catch (    Error $error) {
    echo     'Throwed error ' . get_class($error) . ' with message : ' . $error->getMessage();
    }
    ?>

    This will output :

    Throwed error Error with message : Attribute class "FakeAttribute" not found
    up
    2
    baptiste at pillot dot fr
    1 year ago
    Calling ReflectionAttribute::newInstance() using an attribute name that has a matching class without #[Attribute] will result in an error.

    Example :

    <?php
    class FakeAttribute {}

    #[    FakeAttribute]
    class     Test {}

    try {
    (new     ReflectionClass(Test::class))->getAttributes()[0]->newInstance();
    }
    catch (    Error $error) {
    echo     'Throwed error ' . get_class($error) . ' with message : ' . $error->getMessage();
    }
    ?>

    This will output :

    Throwed error Error with message : Attempting to use non-attribute class "FakeAttribute" as attribute
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