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    DOMNode::lookupPrefix

    (PHP 5, PHP 7, PHP 8)

    DOMNode::lookupPrefix — Gets the namespace prefix of the node based on the namespace URI

    说明

    public DOMNode::lookupPrefix(string $namespace): ?string

    Gets the namespace prefix of the node based on the namespace URI.

    参数

    namespace

    The namespace URI.

    返回值

    The prefix of the namespace or null on error.

    参见

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