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    DOMNode::isSupported

    (PHP 5, PHP 7, PHP 8)

    DOMNode::isSupported — Checks if feature is supported for specified version

    说明

    public DOMNode::isSupported(string $feature, string $version): bool

    Checks if the asked feature is supported for the specified version.

    参数

    feature

    The feature to test. See the example of DOMImplementation::hasFeature() for a list of features.

    version

    The version number of the feature to test.

    返回值

    成功时返回 true， 或者在失败时返回 false。

    参见

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