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    XMLReader::lookupNamespace

    (PHP 5 >= 5.1.0, PHP 7, PHP 8)

    XMLReader::lookupNamespace — Lookup namespace for a prefix

    Description

    public XMLReader::lookupNamespace(string $prefix): ?string

    Lookup in scope namespace for a given prefix.

    Parameters

    prefix

    String containing the prefix.

    Return Values

    The value of the namespace, or null if no namespace exists.

    Changelog

    Version Description
    8.0.0 This function can no longer return false.
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