(PHP 5, PHP 7)
DOMElement::setAttributeNS — Adds new attribute
$namespaceURI
, string $qualifiedName
, string $value
) : void
Sets an attribute with namespace namespaceURI and
name name to the given value. If the attribute
does not exist, it will be created.
namespaceURIThe namespace URI.
qualifiedNameThe qualified name of the attribute, as prefix:tagname.
valueThe value of the attribute.
没有返回值。
DOM_NO_MODIFICATION_ALLOWED_ERRRaised if the node is readonly.
DOM_NAMESPACE_ERR
Raised if qualifiedName is a malformed qualified
name, or if qualifiedName has a prefix and
namespaceURI is NULL.
To add new brand xml namespace use:
<?php
$element->setAttributeNS(
'http://www.w3.org/2000/xmlns/', // xmlns namespace URI
'xmlns:mynamespace',
'example.com/mynamespace'
);
?>
'http://www.w3.org/2000/xmlns/' URI is important
to be able to add new namespaces !!!
Later you can use your namespace like:
<?php
$element->setAttributeNS(
'example.com/mynamespace',
'mynamespace:something',
'value'
);
?>