PHP Invalid argument in parser.php on line 575

LAMP
PHP 5.2.17
Apache 2.2.17

complete error is:
PHP Warning: Invalid argument supplied for foreach() in /home/sname/public_html/wp/wp-content/plugins/transposh-translation-filter-for-wordpress/core/parser.php on line 575

/**
     * This function does some ad replacement for transposh benefit
     */
    function do_ad_switch() {
        foreach ($this->html->noise as $key => $value) {
            if (strpos($value, 'google_ad_client') !== false) {
                $publoc = strpos($value, 'pub-');
                $sufloc = strpos($value, '"', $publoc);
                if (!$sufloc) $sufloc = strpos($value, "'", $publoc);
                echo $publoc . ' ' . $sufloc;
                if ($publoc && $sufloc)
                        $this->html->noise[$key] = substr($value, 0, $publoc) . 'pub-7523823497771676' . substr($value, $sufloc);
            }
        }
    }

i can fix this myself, just letting others know