uninstall.php in WCPOS – Point of Sale (POS) plugin for WooCommerce 1.9.17, at uninstall.php

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1	<?php
2	/**
3	* Fired when the plugin is uninstalled.
4	*
5	* When populating this file, consider the following flow
6	* of control:
7	*
8	* - This method should be static
9	* - Check if the $_REQUEST content actually is the plugin name
10	* - Init an admin referrer check to make sure it goes through authentication
11	* - Verify the output of $_GET makes sense
12	* - Repeat with other user roles. Best directly by using the links/query string parameters.
13	* - Repeat things for multisite. Once for a single site in the network, once sitewide.
14	*
15	* @author Paul Kilmurray <paul@kilbot.com.au>
16	*
17	* @see http://www.woopos.com.au
18	* @package WooCommercePOS
19	*/
20
21	// If uninstall not called from WordPress, then exit.
22	if ( ! \defined( 'WP_UNINSTALL_PLUGIN' ) ) {
23	exit;
24	}
25
26	// Analytics identity (landing-experiments spec §5.1: deleted on uninstall).
27	if ( \function_exists( 'is_multisite' ) && is_multisite() ) {
28	$woocommerce_pos_sites = get_sites( array( 'fields' => 'ids' ) );
29
30	foreach ( $woocommerce_pos_sites as $woocommerce_pos_site_id ) {
31	switch_to_blog( (int) $woocommerce_pos_site_id );
32	delete_option( 'wcpos_anon_id' );
33	restore_current_blog();
34	}
35	} else {
36	delete_option( 'wcpos_anon_id' );
37	}
38