PHP | DOMElement setAttributeNS() Function Last Updated : 26 Feb, 2020 Comments Improve Suggest changes Like Article Like Report The DOMElement::setAttributeNS() function is an inbuilt function in PHP which is used to set an attribute with given namespace and name to the given value. If the attribute does not exist, it will be created. Syntax: void DOMElement::setAttributeNS( string $namespaceURI, string $qualifiedName, string $value ) Parameters: This function accepts three parameters as mentioned above and described below: $namespaceURI: It specifies the namespace URI. $qualifiedName: It specifies the name of attribute. $value: It specifies the value of attribute. Return Value: This function returns nothing. Exceptions: This function throws DOM_NO_MODIFICATION_ALLOWED_ERR, if the node is readonly or DOM_NAMESPACE_ERR, if $qualifiedName is a malformed qualified name, or if $qualifiedName has a prefix and namespaceURI is NULL. Below examples illustrate the DOMElement::setAttributeNS() function in PHP: Example 1: php <?php // Create a new DOMDocument $dom = new DOMDocument(); // Create an element $node = $dom->createElementNS("my_namespace", "x:p", 'Hello, this is my paragraph.'); // Add the node to the dom $newnode = $dom->appendChild($node); // Set the attribute $newnode->setAttributeNS("my_namespace", "id", "my_value"); echo $dom->saveXML(); ?> Output: You can press Ctrl + U to see the DOM. Example 2: php <?php // Create a new DOMDocument $dom = new DOMDocument(); // Create an element $node = $dom->createElementNS("my_namespace", "x:p", 'Hello, this is my paragraph.'); // Add the node to the dom $newnode = $dom->appendChild($node); echo "Before the addition of attributes: <br>"; // Get the attribute count $attributeCount = $node->attributes->count(); echo 'No of attributes => ' . $attributeCount; // Set the attribute with a namespace $newnode->setAttributeNS("my_namespace", "style", "color:blue"); echo "<br>After the addition of attributes: <br>"; // Get the attribute count $attributeCount = $node->attributes->count(); echo 'No of attributes => ' . $attributeCount; ?> Output: Before the addition of attributes: No of attributes => 0 After the addition of attributes: No of attributes => 1 Reference: https://www.php.net/manual/en/domelement.setattributens.php Comment More infoAdvertise with us Next Article PHP | DOMElement setAttributeNS() Function G gurrrung Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-DOM Similar Reads PHP | DOMElement setAttribute() Function The DOMElement::setAttribute() function is an inbuilt function in PHP which is used to set an attribute with given name to the given value. If the attribute does not exist, it will be created. Syntax: DOMAttr DOMElement::setAttribute( string $name, string $value ) Parameters: This function accepts t 2 min read PHP | DOMElement setIdAttributeNS() Function The DOMElement::setIdAttributeNS() function is an inbuilt function in PHP which is used to declare the attribute specified by given local name and namespace URI to be of type ID. Syntax: void DOMElement::setIdAttributeNS( string $namespaceURI, string $localName, bool $isId ) Parameters: This functio 2 min read PHP | DOMElement setAttributeNode() Function The DOMElement::setAttributeNode() function is an inbuilt function in PHP which is used to add a new attribute node to element. Syntax: DOMAttr DOMElement::setAttributeNode( DOMAttr $attr ) Parameters: This function accepts a single parameter $attr which holds the attribute node to be added. Return 2 min read PHP | DOMElement setAttributeNodeNS() Function The DOMElement::setAttributeNodeNS() function is an inbuilt function in PHP which is used to add a new attribute node to element. This is just an alternative for setAttributeNode() function. Syntax: DOMAttr DOMElement::setAttributeNodeNS( DOMAttr $attr ) Parameters: This function accepts a single p 2 min read PHP | DOMElement setIdAttribute() Function The DOMElement::setIdAttribute() function is an inbuilt function in PHP which is used to declare the attribute specified by name to be of type ID. Syntax: void DOMElement::setIdAttribute( string $name, bool $isId ) Parameters: This function accepts two parameters as mentioned above and described bel 2 min read Like