curl ที่ใช้สำหรับนำข้อมูลบางส่วนจากเว็ปอื่นมาใช้มีวิธีนำมาใช้อย่างไรเหรอครับ

$curl = curl_init(); //$curl is going to be data type curl resource

$search_string = "pc video games 2016";
$url = "https://www.amazon.com/s/field-keywords=$search_string";

curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);

$result = curl_exec($curl);

preg_match_all("!https://images-na.ssl-images-amazon.com/images/I/[^\s]*?._AC_US218_.jpg!", $result, $matches);
//preg_match_all("!https://images-na.ssl-images-amazon.com/images/I/[][^\s]*?!", $result, $matches);

$images = array_values(array_unique($matches[0]));


for ($i = 0; $i < count ($images); $i++) {
    echo "<div style='float: left; margin: 10 0 0 0; '>";
    echo "<img src='$images[$i]'><br />";
    echo "</div>";
}

curl_close($curl);