- // 获取远程文件的大小
- function remote_filesize($url, $user = "", $pw = "")
- {
- ob_start();
- $ch = curl_init($url);
- curl_setopt($ch, CURLOPT_HEADER, 1);
- curl_setopt($ch, CURLOPT_NOBODY, 1);
- if(!empty($user) && !empty($pw))
- {
- $headers = array('Authorization: Basic ' . base64_encode("$user:$pw"));
- curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
- }
- $ok = curl_exec($ch);
- curl_close($ch);
- $head = ob_get_contents();
- ob_end_clean();
- $regex = '/Content-Length:\s([0-9].+?)\s/';
- $count = preg_match($regex, $head, $matches);
- return isset($matches[1]) ? $matches[1] . " 字节" : "unknown";
- }
- // 实例测试
- echo remote_filesize("http://img105.job1001.com/upload/adminnew/2014-10-14/1413272802-SEILFHG.jpg");
来源: http://www.phpxs.com/code/1009584/