public static function get_tmp_wp_tables($alt_heap = "")
{
global $wpdb;
$tables = $wpdb->get_results($wpdb->prepare("SHOW TABLES LIKE %s;", str_replace('_', '\\_', self::get_alt_prefix($alt_heap)) . '%'), ARRAY_N);
$tables = array_map('reset', $tables);
return $tables;
}