WordPress at a glance
function is not described

Automattic\WooCommerce\Admin

PageController::get_instance() public WC 1.0

We want a single instance of this class so we can accurately track registered menus and pages.

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

No Hooks.

Return

null. Nothing.

Usage

$result = PageController::get_instance();

Code of PageController::get_instance() WC 5.2.2

<?php
public static function get_instance() {
	if ( ! self::$instance ) {
		self::$instance = new self();
	}

	return self::$instance;
}