PHP Manual
DOM
The Dom\Element class

The Dom\Element class

(PHP 8 >= 8.4.0)

Introduction

Represents an element.

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

Class synopsis

class Dom\Element extends Dom\Node implements Dom\ParentNode, 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 $namespaceURI;

public readonly ?string $prefix;

public readonly string $localName;

public readonly string $tagName;

public string $id;

public string $className;

public readonly Dom\TokenList $classList;

public readonly Dom\NamedNodeMap $attributes;

public readonly ?Dom\Element $firstElementChild;

public readonly ?Dom\Element $lastElementChild;

public readonly int $childElementCount;

public readonly ?Dom\Element $previousElementSibling;

public readonly ?Dom\Element $nextElementSibling;

public string $innerHTML;

public string $substitutedNodeValue;

/* 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 */

}

Properties

namespaceURI: The namespace URI of the element.
prefix: The namespace prefix of the element.
localName: The local name of the element.
tagName: The HTML-uppercased qualified name of the element.
className: A string representing the classes of the element separated by spaces.
classList: Returns an instance of Dom\TokenList to easily manage the classes on this element.
attributes: Returns an instance of Dom\NamedNodeMap that represents the attributes of this element.
id: Reflects the element ID through the "id" attribute.
firstElementChild: First child element or null.
lastElementChild: Last child element or null.
childElementCount: The number of child elements.
previousElementSibling: The previous sibling element or null.
nextElementSibling: The next sibling element or null.
innerHTML: The inner HTML (or XML for XML documents) of the element.
substitutedNodeValue: The node value with entity substitution enabled.

Notes

Note: The DOM extension uses UTF-8 encoding when working with methods or properties. The parser methods auto-detect the encoding or allow the caller to specify an encoding.