DOMElement::setIdAttributeNS

Declares the attribute specified by local name and namespace URI to be of type ID

&reftitle.description; public `void` `DOMElement::setIdAttributeNS` `string` `namespace` `string` `qualifiedName` `bool` `isId`

Declares the attribute specified by `qualifiedName` and `namespace` to be of type ID.

&reftitle.parameters;

`namespace`

- The namespace URI of the attribute.

`qualifiedName`

- The local name of the attribute, as `prefix:tagname`.

`isId`

- Set it to &true; if you want `name` to be of type ID, &false; otherwise.

&reftitle.returnvalues;

&return.void;

&reftitle.errors;

`DOM_NO_MODIFICATION_ALLOWED_ERR`

- Raised if the node is readonly.

`DOM_NOT_FOUND_ERR`

- Raised if `name` is not an attribute of this element.

&reftitle.seealso;

- `DOMDocument::getElementById`
- `DOMElement::setIdAttribute`
- `DOMElement::setIdAttributeNode`