WordPress at a glance
function is not described

Symfony\Component\CssSelector\Node

ElementNode::getNamespace() public WC 1.0

{} It's a method of the class: ElementNode{}

No Hooks.

Return

null|String.

Usage

$ElementNode = new ElementNode();
$ElementNode->getNamespace();

Code of ElementNode::getNamespace() WC 5.4.1

<?php
public function getNamespace()
{
    return $this->namespace;
}