获取图片链接到本地

$imgUrl = "";
$type = "jpg";
$file = explode('?',$imgUrl);
$file_tmp_name = explode('/',$file[0]);
$file_name = end($file_tmp_name);
$dir_name = "img/";
$file_path = "img/".$file_name;
$save_path = $dir_name . $file_path;
$content = file_get_contents($imgUrl);
file_put_contents($save_path, $content);