curl
-
-
$url = 'http://c.b1za.com/h.2SXXls?cv=nXP87fAkEx&sm=0d941d';
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HEADER, 1);
curl_setopt($curl, CURLOPT_NOBODY,1);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
$content=curl_exec($curl);
$headerStr=curl_getinfo($curl);
curl_close($curl);
echo '<pre>';
print_r($headerStr);
Array
(
[url] => http://c.b1za.com/h.2SXXls?cv=nXP87fAkEx&sm=0d941d
[content_type] => text/html;charset=UTF-8
[http_code] => 200
[header_size] => 175
[request_size] => 82
[filetime] => -1
[ssl_verify_result] => 0
[redirect_count] => 0
[total_time] => 0.120233
[namelookup_time] => 0.037243
[connect_time] => 0.077366
[pretransfer_time] => 0.077384
[size_upload] => 0
[size_download] => 0
[speed_download] => 0
[speed_upload] => 0
[download_content_length] => 0
[upload_content_length] => 0
[starttransfer_time] => 0.120141
[redirect_time] => 0
[redirect_url] =>
[primary_ip] => 106.11.62.91
[certinfo] => Array
(
)
)
file_get_contents
-
$html = file_get_contents($url);
preg_match('/var url = \'(.+?)\'/', $html, $urls);
print_r($urls);
Array
(
[0] => var url = 'http://a.m.taobao.com/i37424802695.htm?price=288&sourceType=item&suid=8be20505-0a16-4863-8c8c-1910b7373a3b&ut_sk=1.U%2B2FehgzDrwDAJm7pzfsyyn8_12278902_1485154518051.Copy.1&un=133fdc823ca48dcfd9378eee1c005948&share_crt_v=1&cpp=1&shareurl=true&spm=a313p.22.352.22903886283&short_name=h.2SXXls'
[1] => http://a.m.taobao.com/i37424802695.htm?price=288&sourceType=item&suid=8be20505-0a16-4863-8c8c-1910b7373a3b&ut_sk=1.U%2B2FehgzDrwDAJm7pzfsyyn8_12278902_1485154518051.Copy.1&un=133fdc823ca48dcfd9378eee1c005948&share_crt_v=1&cpp=1&shareurl=true&spm=a313p.22.352.22903886283&short_name=h.2SXXls
)
$url = $urls[1];
$html = file_get_contents($url, false, stream_context_create(array ('http' => array ('follow_location' => false))));
//http://php.net/manual/zh/reserved.variables.httpresponseheader.php
//$http_response_header 数组与 get_headers() 函数类似。当使用HTTP 包装器时，$http_response_header 将会被 HTTP 响应头信息填充。$http_response_header 将被创建于局部作用域中。
print_r($http_response_header);
Array
(
[0] => HTTP/1.1 301 Moved Permanently
[1] => Server: nginx
[2] => Date: Sat, 19 Aug 2017 12:01:18 GMT
[3] => Content-Type: text/html
[4] => Content-Length: 280
[5] => Connection: close
[6] => Location: http://item.taobao.com/item.htm?id=37424802695&price=288&sourceType=item&suid=8be20505-0a16-4863-8c8c-1910b7373a3b&ut_sk=1.U%2B2FehgzDrwDAJm7pzfsyyn8_12278902_1485154518051.Copy.1&un=133fdc823ca48dcfd9378eee1c005948&share_crt_v=1&cpp=1&shareurl=true&spm=a313p.22.352.22903886283&short_name=h.2SXXls
)
preg_match('#Location:(.*)#',$http_response_header[6],$m);
print_r($m);
Array
(
[0] => Location: http://item.taobao.com/item.htm?id=37424802695&price=288&sourceType=item&suid=8be20505-0a16-4863-8c8c-1910b7373a3b&ut_sk=1.U%2B2FehgzDrwDAJm7pzfsyyn8_12278902_1485154518051.Copy.1&un=133fdc823ca48dcfd9378eee1c005948&share_crt_v=1&cpp=1&shareurl=true&spm=a313p.22.352.22903886283&short_name=h.2SXXls
[1] => http://item.taobao.com/item.htm?id=37424802695&price=288&sourceType=item&suid=8be20505-0a16-4863-8c8c-1910b7373a3b&ut_sk=1.U%2B2FehgzDrwDAJm7pzfsyyn8_12278902_1485154518051.Copy.1&un=133fdc823ca48dcfd9378eee1c005948&share_crt_v=1&cpp=1&shareurl=true&spm=a313p.22.352.22903886283&short_name=h.2SXXls
)
