크롤링 scraping 이 안되는데 왜 안되는지 아시는분 계시나요??

$dom = new simple_html_dom;
$dom -> load($contents);

$test = array("샤넬","프라다","구찌");
$test2 = array("황의조","황의찬","손흥민");
$test3 = array("미국","일본","한국");

//print_r($test);
//var_export($test2);
//var_dump($test3);

// get news block
    foreach($dom->find("div.txt-product",0) as $article) {
        // get title
        $item['Title'] = trim($article->find('h3', 0)->plaintext);
        
        $item['Price'] = trim($article->find('p', 0)->plaintext);

        // get details
        $item['Details'] = trim($article->find('p', 0)->plaintext);
        // get intro
        $item['ShippingPrice'] = trim($article->find('li a strong', 0)->plaintext);

        $ret[] = $item;
    }