The DOMElement::getAttributeNodeNS() function is an inbuilt function in PHP which is used to get the attribute node in specific namespace with local name for the current node.
Syntax:
DOMAttr DOMElement::getAttributeNodeNS( string $namespaceURI, string $localName )
Parameters: This function accepts two parameters as mentioned above and described below:
- $namespaceURI: It specifies the namespace URI.
- $localName: It specifies the local name.
Return Value: This function returns the attribute value containing the attribute node.
Below given programs illustrate the DOMElement::getAttributeNodeNS() function in PHP:
Program 1:
<?php // Create a new DOMDocument $dom = new DOMDocument(); // Load the XML $dom->loadXML("<?xml version=\"1.0\"?> <body xmlns:x=\"my_namespace\"> <x:div x:attr=\"value\" > DIV 1 </x:div> </body>"); // Get the elements by tagname $elements = $dom->getElementsByTagName('div'); // Get the attribute node $node = $elements[0]->getAttributeNodeNS('my_namespace', 'attr'); // Extract name $name = $node->name; // Extract value $value = $node->value; echo $name . " => " . $value . "<br>"; ?> |
Output:
attr => value
Program 2:
<?php // Create a new DOMDocument $dom = new DOMDocument(); // Load the XML $dom->loadXML("<?xml version=\"1.0\"?> <root> <body xmlns:x=\"my_namespace1\"> <x:div x:id=\"my_id1\" > DIV 1 </x:div> <x:div x:id=\"my_id2\" > DIV 1 </x:div> </body> <body xmlns:xi=\"my_namespace2\"> <xi:div xi:id=\"new\" > DIV 1 </xi:div> </body> </root>"); // Get the elements by tagname $elements = $dom->getElementsByTagName('div'); foreach ($elements as $element) { $node = $element->getAttributeNodeNS('my_namespace1', 'id'); if ($node) { // Extract name $name = $node->name; // Extract value $value = $node->value; echo $name . " => " . $value . "<br>"; } } ?> |
Output:
id => my_id1 id => my_id2
Reference: https://www.php.net/manual/en/domelement.getattributenodens.php
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