用php模拟post来提交数据

<?PHP
/*
***********************************************************************
Name: POST 测试程序 Vesion: 1.0 Date: 2004-08-05 ************************************************************************
*/
$flag = 0;
//要post的数据
$argv = array(
'var1'=>'abc',
'var2'=>'你好吗');
//构造要post的字符串
foreach ($argv as $key=>$value) {
if ($flag!=0) {
$params .= "&";
$flag = 1;
}
$params.= $key."="; $params.= urlencode($value);
$flag = 1;
}
$length = strlen($params);
//创建socket连接
$fp = fsockopen("127.0.0.1",80,$errno,$errstr,10) or exit($errstr."--->".$errno);
//构造post请求的头
$header = "POST /mobile/try.php HTTP/1.1\r\n";
$header .= "Host:127.0.0.1\r\n";
$header .= "Referer:/mobile/sendpost.php\r\n";
$header .= "Content-Type: application/x-www-form-urlencoded\r\n";
$header .= "Content-Length: ".$length."\r\n";
$header .= "Connection: Close\r\n\r\n";
//添加post的字符串
$header .= $params."\r\n";
//发送post的数据
fputs($fp,$header);
$inheader = 1;
while (!feof($fp)) {
$line = fgets($fp,1024); //去除请求包的头只显示页面的返回数据
if ($inheader && ($line == "/n" || $line == "\r\n")) {
$inheader = 0;
}
if ($inheader == 0) {
echo $line;
}
}
fclose($fp);
?>