PHP - Manual: Dom\Attr

2025-10-31

Dom\Attr::isId »

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The Dom\Attr class

(PHP 8 >= 8.4.0)

简介

Dom\Attr represents an attribute in the Dom\Element object.

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

类摘要

class Dom\Attr extends Dom\Node {

/* 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 $name;

public string $value;

public readonly ?Dom\Element $ownerElement;

public readonly bool $specified;

/* 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 */

public isId(): bool

public rename(?string $namespaceURI, string $qualifiedName): void

/* 继承的方法 */

/* Not documented yet */

}

属性

namespaceURI: The namespace URI of the attribute.
prefix: The namespace prefix of the attribute.
localName: The local name of the attribute.
name: The qualified name of the attribute.
value: The value of the attribute.
注意: Unlike the equivalent property in DOMAttr, this does not substitute entities.
ownerElement: The element that contains the attribute or null.
specified: Legacy option, always is true.

参见

» WHATWG specification of Attr

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The Dom\Attr class

简介

类摘要

属性

参见

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