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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