Create new attribute node with an associated namespace

DOMAttr DOMDocument::createAttributeNS ( string $namespaceURI , string $qualifiedName )

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。

namespaceURI: The URI of the namespace.
qualifiedName: The tag name and prefix of the attribute, as prefix:tagname.

The new DOMAttr or FALSE if an error occurred.

DOM_INVALID_CHARACTER_ERR: Raised if qualifiedName contains an invalid character.
DOM_NAMESPACE_ERR: Raised if qualifiedName is a malformed qualified name, or if qualifiedName has a prefix and namespaceURI is NULL.

DOMNode::appendChild() - Adds new child at the end of the children
DOMDocument::createAttribute() - Create new attribute
DOMDocument::createCDATASection() - Create new cdata node
DOMDocument::createComment() - Create new comment node
DOMDocument::createDocumentFragment() - Create new document fragment
DOMDocument::createElement() - Create new element node
DOMDocument::createElementNS() - Create new element node with an associated namespace
DOMDocument::createEntityReference() - Create new entity reference node
DOMDocument::createProcessingInstruction() - Creates new PI node
DOMDocument::createTextNode() - Create new text node