PHP利用Curl、socket、file_get_contents POST数据 简单

1 /**  
 2 * 其它版本  
 3 * 使用方法：  
 4 * $post_string = "app=request&version=beta";  
 5 * request_by_other('http://facebook.cn/restServer.php',$post_string);  
 6 */   
 7 function request_by_other($remote_server,$post_string){   
 8     $context = array(   
 9         'http'=>array(   
10             'method'=>'POST',   
11             'header'=>'Content-type: application/x-www-form-urlencoded'."\r\n".   
12                       'User-Agent : Jimmy\'s POST Example beta'."\r\n".   
13                       'Content-length: '.strlen($post_string)+8,   
14             'content'=>.$post_string)   
15          );   
16     $stream_context = stream_context_create($context);   
17     $data = file_get_contents($remote_server,FALSE,$stream_context);   
18      return $data;   
19 }  
20    
21 /**  
22 * Socket版本  
23 * 使用方法：  
24 * $post_string = "app=socket&version=beta";  
25 * request_by_socket('facebook.cn','/restServer.php',$post_string);  
26 */   
27 function request_by_socket($remote_server,$remote_path,$post_string,$port = 80,$timeout = 30){   
28     $socket = fsockopen($remote_server,$port,$errno,$errstr,$timeout);   
29      if (!$socket) die("$errstr($errno)");   
30       
31     fwrite($socket,"POST $remote_path HTTP/1.0\r\n");   
32     fwrite($socket,"User-Agent: Socket Example\r\n");   
33     fwrite($socket,"HOST: $remote_server\r\n");   
34     fwrite($socket,"Content-type: application/x-www-form-urlencoded\r\n");   
35     fwrite($socket,"Content-length: ".strlen($post_string)+8."\r\n");   
36     fwrite($socket,"Accept:*/*\r\n");   
37     fwrite($socket,"\r\n");   
38     fwrite($socket,"mypost=$post_string\r\n");   
39     fwrite($socket,"\r\n");   
40       
41     $header = "";   
42      while ($str = trim(fgets($socket,4096))) {   
43         $header.=$str;   
44      }   
45       
46     $data = "";   
47      while (!feof($socket)) {   
48         $data .= fgets($socket,4096);   
49      }   
50       
51      return $data;   
52 }  
53   
54 /**   
55 * Curl版本   
56 * 使用方法：   
57 * $post_string = "app=request&version=beta";   
58 * request_by_curl('http://facebook.cn/restServer.php',$post_string);   
59 */   
60 function request_by_curl($remote_server,$post_string){   
61     $ch = curl_init();   
62     curl_setopt($ch,CURLOPT_URL,$remote_server);   
63     curl_setopt($ch,CURLOPT_POSTFIELDS,'mypost='.$post_string);   
64     curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);   
65     curl_setopt($ch,CURLOPT_USERAGENT,"Jimmy's CURL Example beta");   
66     $data = curl_exec($ch);   
67     curl_close($ch);   
68      return $data;   
69 }