Questions about PHP sending text messages to your phone

Questions about PHP sending SMS to phone!
Two programs in DEDE to send a text message to inform the user,

Send functions such as:

function Sendmb ($mobile, $c, $name, $pwd)
{
$URL = "Http://218.241.153.202:8888/post_sms.do";
$post _data[' corp_id '] = "309090";
$post _data[' user_id ') = $name;
$pwd. = "TD";
$PWD = MD5 ($PWD);
$post _data[' md5_td_code ') = $pwd;
$post _data[' mobile ' = $mobile;
$post _data[' msg_content ') = $c;
$post _data[' mesg_id '] = "";
$post _data[' extend '] = "";
$URL _info = Parse_url ($URL);
foreach ($post _data as $key = $value)
{
$values [] = "{$key}=". UrlEncode ($value);
}
$data _string = Implode ("&", $values);
$URL _info[' port '] = 8888;
$request. = "POST". $URL _info[' path ']. " Http/1.1\n ";
$request. = "Host:". $URL _info[' host ']. " \ n ";
$request. = "Referer:". $referrer. " \ n ";
$request. = "content-type:application/x-www-form-urlencoded\n";
$request. = "Content-length:". strlen ($data _string). " \ n ";
$request. = "connection:close\n";
$request. = "\ n";
$request. = $data _string. " \ n ";
$fp = Fsockopen ($URL _info[' host '), $URL _info[' Port '];
Fputs ($fp, $request);
while (!feof ($FP))
{
$result. = Fgets ($fp, 1024);
}
Fclose ($FP);
$ret = Explode ("Close", $result);
return Trim ($ret [1]);
}

Call: (number I will not public ha ... Lest the country be scolded every day.


SENDMB ("13#10101###", "Fuck", "Baby", "abc123");



But after the operation did not respond, how to solve?

------Solution--------------------
Paid transactions have been done before, login complaints used. The page encoding is also required, you look carefully,

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