FeedWordPressSyndicationPage::updates_requested PHP Method

    function updates_requested()
    {
        global $wpdb;
        if (isset($_POST['update']) or isset($_POST['action']) or isset($_POST['update_uri'])) {
            // Only do things with side-effects for HTTP POST or command line
            $fwp_update_invoke = 'post';
        } else {
            $fwp_update_invoke = 'get';
        }
        $update_set = array();
        if ($fwp_update_invoke != 'get') {
            if (is_array(MyPHP::post('link_ids')) and MyPHP::post('action') == FWP_UPDATE_CHECKED) {
                // Get single link ID or multiple link IDs from REQUEST parameters
                // if available. Sanitize values for MySQL.
                $link_list = $this->requested_link_ids_sql();
                // $link_list has previously been sanitized for html by self::requested_link_ids_sql
                $targets = $wpdb->get_results("\n\t\t\t\tSELECT * FROM {$wpdb->links}\n\t\t\t\tWHERE link_id IN {$link_list}\n\t\t\t\t");
                if (is_array($targets)) {
                    foreach ($targets as $target) {
                        $update_set[] = $target->link_rss;
                    }
                } else {
                    // This should never happen
                    FeedWordPress::critical_bug('fwp_syndication_manage_page::targets', $targets, __LINE__, __FILE__);
                }
            } elseif (!is_null(MyPHP::post('update_uri'))) {
                $targets = MyPHP::post('update_uri');
                if (!is_array($targets)) {
                    $targets = array($targets);
                }
                $first = each($targets);
                if (!is_numeric($first['key'])) {
                    // URLs in keys
                    $targets = array_keys($targets);
                }
                $update_set = $targets;
            }
        }
        return $update_set;
    }