The Dom\DocumentType class

(PHP 8 >= 8.4.0)

Introduction

Each Dom\Document has a doctype attribute whose value is either null or a Dom\DocumentType object.

This is the modern, spec-compliant equivalent of DOMImplementation.

class Dom\DocumentType extends Dom\Node implements Dom\ChildNode {

/* Inherited constants */

public const int Dom\Node::DOCUMENT_POSITION_DISCONNECTED = 0x1;

public const int Dom\Node::DOCUMENT_POSITION_PRECEDING = 0x2;

public const int Dom\Node::DOCUMENT_POSITION_FOLLOWING = 0x4;

public const int Dom\Node::DOCUMENT_POSITION_CONTAINS = 0x8;

public const int Dom\Node::DOCUMENT_POSITION_CONTAINED_BY = 0x10;

public const int Dom\Node::DOCUMENT_POSITION_IMPLEMENTATION_SPECIFIC = 0x20;

/* Properties */

public readonly string $name;

public readonly Dom\DtdNamedNodeMap $entities;

public readonly Dom\DtdNamedNodeMap $notations;

public readonly string $publicId;

public readonly string $systemId;

public readonly ?string $internalSubset;

/* Inherited properties */

public readonly int $nodeType;

public readonly string $nodeName;

public readonly string $baseURI;

public readonly bool $isConnected;

public readonly ?Dom\Document $ownerDocument;

public readonly ?Dom\Node $parentNode;

public readonly ?Dom\Element $parentElement;

public readonly Dom\NodeList $childNodes;

public readonly ?Dom\Node $firstChild;

public readonly ?Dom\Node $lastChild;

public readonly ?Dom\Node $previousSibling;

public readonly ?Dom\Node $nextSibling;

public ?string $nodeValue;

public ?string $textContent;

/* Methods */

/* Not documented yet */

/* Inherited methods */

/* Not documented yet */

}

publicId: The public identifier of the external subset.
systemId: The system identifier of the external subset. This may be an absolute URI or not.
name: The name of DTD; i.e., the name immediately following the DOCTYPE keyword.
entities: A Dom\DtdNamedNodeMap containing the general entities, both external and internal, declared in the DTD.
notations: A Dom\DtdNamedNodeMap containing the notations declared in the DTD.
internalSubset: The internal subset as a string, or null if there is none. This does not contain the delimiting square brackets.

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