Document.php
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Document.php
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	<?php

	declare( strict_types = 1 );

	namespace Wikimedia\Parsoid\DOM;

	#[\AllowDynamicProperties]
	class Document extends \DOMDocument implements Node {

	/**
	* Inprocess cache used in DOMCompat::getBody()
	*
	* @var Element\|null
	*/
	public ?Element $body = null;

	public function __construct() {
	parent::__construct();
	# Register our alias classes. Notes:
	# - NodeList can't be passed to registerNodeClass, and so in
	# "DOMDocument" mode we're always going to be using DOMNodeList,
	# not the Wikimedia\Parsoid\DOM\Compat\NodeList class defined here.
	# - Similarly, DOMException is always going to be \DOMException
	# when we're in DOMDocument mode.
	# - CharacterData and Node are abstract superclasses. Due to the
	# limitations of PHP multiple inheritance, we can't make them
	# proper subclasses of DOMCharacterData/DOMNode. Instead we make
	# them marker interfaces, and ensure that all subclasses of
	# DOMNode also implement our Node interface, and similarly all
	# subclasses of DOMCharacterData implement our CharacterData marker
	# interface.
	# - PHP doesn't have a DOMParser equivalent in the dom extension
	foreach ( [
	'Document',
	'Attr',
	'Comment',
	'DocumentFragment',
	'DocumentType',
	'Element',
	'ProcessingInstruction',
	'Text',
	] as $cls ) {
	$this->registerNodeClass(
	"DOM$cls",
	"Wikimedia\\Parsoid\\DOM\\$cls"
	);
	}
	}
	}