include 'simple_html_dom.php';

$partlist_file = $_SERVER['DOCUMENT_ROOT'].'/partlist.txt';

$partlist = file('knn-partnumberlist.txt', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);

$stock = '';

    $output_first = '';
    foreach($partlist as $parts => $part) {

        $html = file_get_html('search/product.aspx?prod=' . $part);
        $ret = $html->find('span#cph_lb_stock_buy');

        foreach($ret as $element) {
            $stock = $element->plaintext;
            $stock = preg_replace(array('/\n/','/\r/'),'',$stock);
            $stock = trim($stock);
            if($stock == 'Not in stock.') {
                $stock = '0';
            } elseif($stock == 'In Stock & Ready to Ship!') {
                $stock = '6';
            }



        $output = 'K33' . $part . ',' . $stock . "n";
        print_r ($output); // returns all elements
        file_put_contents($partlist_file, $output); // only returns last element

        }
    }