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The Dom\DtdNamedNodeMap class

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Represents a named node map for entities and notation nodes of the DTD. It is similar to Dom\NamedNodeMap, but restricted to Dom\Entity and Dom\Notation nodes.

Intro

Represents a named node map for entities and notation nodes of the DTD. It is similar to Dom\NamedNodeMap, but restricted to Dom\Entity and Dom\Notation nodes.

Class synopsis

class Dom\DtdNamedNodeMap implements IteratorAggregate implements Countable { }

Properties

length: The total number of entities and notation nodes.

Changelog

Version	Description
8.5.0	Cloning a `Dom\DtdNamedNodeMap` object now fails.

Source: reference/dom/dom/dom-dtdnamednodemap.xml · from the official PHP manual (php/doc-en)