PHP | DOMElement removeAttributeNode() Function Last Updated : 05 Mar, 2020 Comments Improve Suggest changes Like Article Like Report The DOMElement::removeAttributeNode() function is an inbuilt function in PHP which is used to remove attribute from element. Syntax: bool DOMElement::removeAttributeNode( DOMAttr $oldnode ) Parameters: This function accepts a single parameter $oldnode which holds the attribute that to be removed. Return Value: This function returns TRUE on success or FALSE on failure. Exceptions: This function throws DOM_NO_MODIFICATION_ALLOWED_ERR, if the node is read-only and DOM_NOT_FOUND_ERROR if $oldnode is not a attribute of element. Below given programs illustrate the DOMElement::removeAttributeNode() function in PHP: Program 1: php <?php // Create a new DOMDocument $dom = new DOMDocument(); // Load the XML $dom->loadXML("<?xml version=\"1.0\"?> <root> <html> <h1 id=\"my_id\"> Geeksforgeeks </h1> <h2> Second heading </h2> </html> </root>"); // Get the elements $node = $dom->getElementsByTagName('h1')[0]; echo "Before the removal of attributes: <br>"; // Get the attribute name and value $attribute = $node->attributes->item(0); $attribute_name = $attribute->name; $attribute_value = $attribute->value; echo $attribute_name . ' => '; echo $attribute_value; // Get the attribute to remove $oldnode = $node->getAttributeNode('id'); // Remove the id attribute $node->removeAttributeNode($oldnode); echo "<br>After the removal of attributes: <br>"; // Get the attribute name and value $attribute = $node->attributes->item(0); $attribute_name = $attribute->name . ' => '; $attribute_value = $attribute->value; echo $attribute_name; echo $attribute_value; ?> Output: Before the removal of attributes: id => my_id After the removal of attributes: => // Empty string means attribute is removed Program 2: php <?php // Create a new DOMDocument $dom = new DOMDocument(); // Load the XML $dom->loadXML("<?xml version=\"1.0\"?> <root> <html> <h1 id=\"my_id\" style=\"color:green;\" class=\"my_class\"> Geeksforgeeks </h1> <h2> Second heading </h2> </html> </root>"); // Get the elements $node = $dom->getElementsByTagName('h1')[0]; echo "Before the removal of attributes: <br>"; // Get the attribute to remove $oldnode = $node->getAttributeNode('id'); // Get the attribute count $attributeCount = $node->attributes->count(); echo 'No of attributes => ' . $attributeCount; // Remove the id attribute $node->removeAttributeNode($oldnode); echo "<br>After the removal of attributes: <br>"; // Get the attribute count $attributeCount = $node->attributes->count(); echo 'No of attributes => ' . $attributeCount; ?> Output: Before the removal of attributes: No of attributes => 3 After the removal of attributes: No of attributes => 2 Reference: https://www.php.net/manual/en/domelement.removeattributenode.php Comment More infoAdvertise with us Next Article PHP | DOMElement removeAttributeNode() Function G gurrrung Follow Improve Article Tags : Web Technologies PHP PHP-function PHP-DOM Similar Reads PHP | DOMElement removeAttribute() Function The DOMElement::removeAttribute() function is an inbuilt function in PHP which is used to remove a attribute with specific name from the element. Syntax: bool DOMElement::removeAttribute( string $name ) Parameters: This function accepts a single parameter $name which holds the name of the attribute. 2 min read PHP | DOMElement removeAttributeNS() Function The DOMElement::removeAttributeNS() function is an inbuilt function in PHP which is used to remove the attribute with a specific local name in a specific namespace from the element. Syntax: bool DOMElement::removeAttributeNS( string $namespaceURI, string $localName ) Parameters: This function accept 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 setIdAttributeNode() Function The DOMElement::setIdAttributeNode() function is an inbuilt function in PHP which is used to declare the attribute specified by DOMAttr instance to be of type ID. Syntax: void DOMElement::setIdAttributeNode( DOMAttr $attr, bool $isId ) Parameters: This function accepts two parameters as mentioned ab 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 Like