利用Curl、socket、file_get_contents POST数据

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<?php 
/** 
* Socket版本 
* 使用方法: 
* $post_string = "app=socket&version=beta"; 
* request_by_socket('facebook.cn','/restServer.php',$post_string); 
*/ 
function request_by_socket($remote_server,$remote_path,$post_string,$port = 80,$timeout = 30){ 
    $socket = fsockopen($remote_server,$port,$errno,$errstr,$timeout); 
     if (!$socket) die("$errstr($errno)"); 
 
    fwrite($socket,"POST $remote_path HTTP/1.0\r\n"); 
    fwrite($socket,"User-Agent: Socket Example\r\n"); 
    fwrite($socket,"HOST: $remote_server\r\n"); 
    fwrite($socket,"Content-type: application/x-www-form-urlencoded\r\n"); 
    fwrite($socket,"Content-length: ".strlen($post_string)+8."\r\n"); 
    fwrite($socket,"Accept:*/*\r\n"); 
    fwrite($socket,"\r\n"); 
    fwrite($socket,"mypost=$post_string\r\n"); 
    fwrite($socket,"\r\n"); 
 
    $header = ""; 
     while ($str = trim(fgets($socket,4096))) { 
        $header.=$str; 
     } 
 
    $data = ""; 
     while (!feof($socket)) { 
        $data .= fgets($socket,4096); 
     } 
 
     return $data; 
}
 
/** 
* Curl版本 
* 使用方法: 
* $post_string = "app=request&version=beta"; 
* request_by_curl('http://facebook.cn/restServer.php',$post_string); 
*/ 
function request_by_curl($remote_server,$post_string){ 
    $ch = curl_init(); 
    curl_setopt($ch,CURLOPT_URL,$remote_server); 
    curl_setopt($ch,CURLOPT_POSTFIELDS,'mypost='.$post_string); 
    curl_setopt($ch,CURLOPT_RETURNTRANSFER,true); 
    curl_setopt($ch,CURLOPT_USERAGENT,"Jimmy's CURL Example beta"); 
    $data = curl_exec($ch); 
    curl_close($ch); 
     return $data; 
} 
/** 
* 其它版本 
* 使用方法: 
* $post_string = "app=request&version=beta"; 
* request_by_other('http://facebook.cn/restServer.php',$post_string); 
*/ 
function request_by_other($remote_server,$post_string){ 
    $context = array( 
        'http'=>array( 
            'method'=>'POST', 
            'header'=>'Content-type: application/x-www-form-urlencoded'."\r\n". 
                      'User-Agent : Jimmy\'s POST Example beta'."\r\n". 
                      'Content-length: '.strlen($post_string)+8, 
            'content'=>'mypost='.$post_string) 
         ); 
    $stream_context = stream_context_create($context); 
    $data = file_get_contents($remote_server,FALSE,$stream_context); 
     return $data; 
}
 
?>

转自 http://hi.baidu.com/xsite/blog/item/1ae57963be3e38680d33fa6b.html

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