PHP(17)爬取URL数据并保存达到本地

<?php
dlfile($v['spic'],"./image/".$v['product'].".jpg");
?>

function dlfile($file_url, $save_to)

{

$ch = curl_init();

curl_setopt($ch, CURLOPT_POST, 0); 

curl_setopt($ch,CURLOPT_URL,$file_url); 

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 

$file_content = curl_exec($ch);

curl_close($ch);

$downloaded_file = fopen($save_to, 'w');

fwrite($downloaded_file, $file_content);

fclose($downloaded_file);

}