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The Dom\NamespaceInfo class

Introduction

(PHP 8 >= 8.4.0)

This represents immutable information about namespaces of an element. This decouples namespaces from attributes, which was incorrectly intertwined for the old DOM classes.

Class synopsis

final readonly class Dom\NamespaceInfo {

/* Properties */

public ?string $prefix;

public ?string $namespaceURI;

public Dom\Element $element;

}

Properties

prefix: The namespace prefix of the attribute.
namespaceURI: The namespace URI of the attribute.
element: The element that this namespace information is about.

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https://www.php.net/manual/en/class.dom-namespaceinfo.php