<?php
if (!defined('WP_UNINSTALL_PLUGIN')) { exit; }

// Rules remain available if the site owner later reinstalls Free. Remove secrets.
$wplocation_clear_credentials = function () {
    delete_option('wplocation_maxmind_account_id');
    delete_option('wplocation_maxmind_license_key');
};

if (is_multisite()) {
    foreach (get_sites(array('fields' => 'ids', 'number' => 0)) as $wplocation_blog_id) {
        switch_to_blog((int) $wplocation_blog_id);
        $wplocation_clear_credentials();
        restore_current_blog();
    }
} else {
    $wplocation_clear_credentials();
}