//1、用get_headers函数 php自带的get_headers函数可以获取服务器响应一个HTTP请求所发送的所有标头 function get_redirect_url_by_header($url) { $header = get_headers($url, 1); if (strpos($header[0], '301') !== false || strpos($header[0], '302') !== false) { if (is_array($header['Location'])) { return $header['Location'][count($header['Location']) - 1]; } else { return $header['Location']; } } else { return $url; } } //2、使用cURL函数 function get_redirect_url_by_curl($url, $referer = '', $timeout = 10) { $redirect_url = false; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, TRUE); curl_setopt($ch, CURLOPT_NOBODY, TRUE);//不返回请求体内容 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, TRUE);//允许请求的链接跳转 curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: */*', 'User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)', 'Connection: Keep-Alive')); if ($referer) curl_setopt($ch, CURLOPT_REFERER, $referer);//设置referer $content = curl_exec($ch); if (!curl_errno($ch)) { $redirect_url = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);//获取最终请求的url地址 } return $redirect_url; } $headers = get_headers($url, TRUE); var_dump($headers);
标签:ch,setopt,url,header,PHP,跳转,curl,短链,CURLOPT From: https://www.cnblogs.com/coder404/p/16799293.html