WordPress at a glance
function is not described

Symfony\Component\CssSelector\Node

HashNode::getId() public WC 1.0

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

No Hooks.

Return

String. Nothing.

Usage

$HashNode = new HashNode();
$HashNode->getId();

Code of HashNode::getId() WC 5.4.1

<?php
public function getId()
{
    return $this->id;
}