(PHP 5)

DOMDocument::createAttributeCrée un nouvel attribut


public DOMAttr DOMDocument::createAttribute ( string $name )

Cette fonction crée une nouvelle instance de la classe DOMAttr. Ce noeud ne sera pas affiché dans le document, à moins qu'il ne soit inséré avec DOMNode::appendChild().

Liste de paramètres


Le nom de l'attribut.

Valeurs de retour

Le nouveau DOMAttr ou FALSE si une erreur survient.

Erreurs / Exceptions


Émise si name contient un caractère invalide.

Voir aussi

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User Contributed Notes 2 notes

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


= 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

// Append it to the document itself


Will output:
<?xml version="1.0" encoding="UTF-8"?>
<field name="attributevalue">some random data</field>
1 year ago
This may be obvious to most people, but it gave me a few minutes of head-scratching before I figured it out, but ampersands need to be properly escaped as HTML entities.

= new DOMDocument('1.0', "UTF-8");

$invalid_elem = $doc->createElement('field', 'incorrect attribute');
$invalid_attr = $doc->createAttribute('name');
$invalid_attr->value = 'foo&bar';

$valid_elem = $doc->createElement('field', 'correct attribute');
$valid_attr = $doc->createAttribute('name');
$valid_attr->value = 'foo&amp;bar';


Will output:
<?xml version="1.0" encoding="UTF-8"?>
<field name="foo">incorrect attribute</field>
<field name="foo&bar">correct attribute</field>

As near as I can figure out, no exception is thrown for an invalid attribute. This will affect DOMDocuments created as HTML as well as XML.
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