PHP 8.4.0 RC4 available for testing

DOMDocument::createAttribute

(PHP 5, PHP 7, PHP 8)

DOMDocument::createAttributeCreate new attribute

说明

public DOMDocument::createAttribute(string $localName): DOMAttr|false

This function creates a new instance of class DOMAttr. 此节点出现在文档中,除非是用诸如 DOMNode->appendChild() 等函数来将其插入。

参数

localName

The name of the attribute.

返回值

The new DOMAttr or false if an error occurred.

错误/异常

DOM_INVALID_CHARACTER_ERR

Raised if localName contains an invalid character.

参见

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Beerkeeper
12 years ago
Just in case it isn't clear (like I had), an example:

<?php

$domDocument
= new DOMDocument('1.0', "UTF-8");
$domElement = $domDocument->createElement('field','some random data');
$domAttribute = $domDocument->createAttribute('name');

// Value for the created attribute
$domAttribute->value = 'attributevalue';

// Don't forget to append it to the element
$domElement->appendChild($domAttribute);

// Append it to the document itself
$domDocument->appendChild($domElement);

?>

Will output:
<?xml version="1.0" encoding="UTF-8"?>
<field name="attributevalue">some random data</field>
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