$file = file_get_contents('file.txt', true);
// echo $file;
$pieces = explode(",", $file);
print_r($pieces);

foreach ($pieces as $key => $value) {
$h = file_get_html($value);

$title = $h->find('p.b-product-cost__price') ;
echo $title ->plaintext;
}

$file = file_get_contents('file.txt', true);
// echo $file;
$pieces = explode(",", $file);
print_r($pieces);

foreach ($pieces as $key => $value) {
$h = file_get_html($value);
}