PHP - Manual: Dom\Element

2025-02-27

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The Dom\Element class

(PHP 8 >= 8.4.0)

简介

Represents an element.

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

类摘要

class Dom\Element extends Dom\Node implements Dom\ParentNode, Dom\ChildNode {

/* 继承的常量 */

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;

/* 属性 */

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;

/* 继承的属性 */

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;

/* 方法 */

/* Not documented yet */

/* 继承的方法 */

/* Not documented yet */

}

属性

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.

注释

注意: 此 DOM 扩展在处理方法或属性时使用 UTF-8 编码。解析器方法会自动检测编码，或允许调用者指定编码。

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官方地址：https://www.php.net/manual/en/class.dom-element.php

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The Dom\Element class

简介

类摘要

属性

注释

发现了问题？

用户贡献的备注