Send SMS function using PHP

What are usually need to make a sms;



This is a simple function to send sms using php script.

<?php

function PostToHostSMS($host, $port, $username, $password, $data_to_send)
{
$dc = 0;
$bo ="--------453534534534536";

$fp = fsockopen($host, $port, $errno, $errstr);
if (!$fp) {
echo "errno: $errno \n";
echo "errstr: $errstr\n";
return $result;
}

fputs($fp, "POST / HTTP/1.1\r\n");
if ($username != "") {
$auth = $username . ":" . $password;
echo "auth: $auth\n";
$auth = base64_encode($auth);
echo "auth: $auth\n";
fwrite($fp, "Authorization: Basic " . $auth . "\r\n");
}
fputs($fp, "User-Agent: NowSMS PHP Script\r\n");
fputs($fp, "Accept: */*\r\n");
fputs($fp, "Content-type: multipart/form-data; boundary=$bo\r\n");

foreach($data_to_send as $key=>$val) {
$ds =sprintf("%s\r\nContent-Disposition: form-data;
name=\"%s\"\r\n%s\r\n",$bo,$key,$val);
$dc += strlen($ds);

}
$dc += strlen($bo)+3;
fputs($fp, "Content-length: $dc\r\n");
fputs($fp, "\r\n");
fputs($fp, "This is a MIME message\r\n\r\n");

foreach($data_to_send as $key=>$val) {
$ds =sprintf("%s\r\nContent-Disposition: form-data;
name=\"%s\"\r\n%s\r\n",$bo,$key,$val);
fputs($fp, $ds );
}
$ds = $bo."--\r\n" ;
fputs($fp, $ds);

$res = "";

while(!feof($fp)) {
$res .= fread($fp,1);
}
fclose($fp);


return $res;
}

?>