DOMNode::lookupNamespaceUri

(PHP 5, PHP 7, PHP 8)

DOMNode::lookupNamespaceUri — Gets the namespace URI of the node based on the prefix

public DOMNode::lookupNamespaceUri(string $prefix): string

Gets the namespace URI of the node based on the prefix.

The namespace URI of the node.

DOMNode::lookupPrefix() - Gets the namespace prefix of the node based on the namespace URI