php手机短信验证码功能、PHP短信api

/*--------------------------------
功能:		中国短信网PHP HTTP接口 发送短信
修改日期:	2009-04-08
说明:		http://http.c123.com/tx/?uid=用户账号&pwd=MD5位32密码&mobile=号码&content=内容
状态:
	100 发送成功
	101 验证失败
	102 短信不足
	103 操作失败
	104 非法字符
	105 内容过多
	106 号码过多
	107 频率过快
	108 号码内容空
	109 账号冻结
	110 禁止频繁单条发送
	111 系统暂定发送
	112 号码不正确
	120 系统升级
--------------------------------*/
$uid = '9999';		//用户账号
$pwd = '9999';		//密码
$mobile	 = '13912341234,13312341234,13512341234,02122334444';	//号码
$content = '中国短信网PHP HTTP接口';		//内容
//即时发送
$res = sendSMS($uid,$pwd,$mobile,$content);
echo $res;

//定时发送
/*
$time = '2010-05-27 12:11';
$res = sendSMS($uid,$pwd,$mobile,$content,$time);
echo $res;
*/
function sendSMS($uid,$pwd,$mobile,$content,$time='',$mid='')
{
	$http = 'http://http.c123.com/tx/';
	$data = array
		(
		'uid'=>$uid,					//用户账号
		'pwd'=>strtolower(md5($pwd)),	//MD5位32密码
		'mobile'=>$mobile,				//号码
		'content'=>$content,			//内容
		'time'=>$time,		//定时发送
		'mid'=>$mid						//子扩展号
		);
	$re= postSMS($http,$data);			//POST方式提交
	if( trim($re) == '100' )
	{
		return "发送成功!";
	}
	else 
	{
		return "发送失败! 状态：".$re;
	}
}

function postSMS($url,$data='')
{
	$row = parse_url($url);
	$host = $row['host'];
	$port = $row['port'] ? $row['port']:80;
	$file = $row['path'];
	while (list($k,$v) = each($data)) 
	{
		$post .= rawurlencode($k)."=".rawurlencode($v)."&";	//转URL标准码
	}
	$post = substr( $post , 0 , -1 );
	$len = strlen($post);
	$fp = @fsockopen( $host ,$port, $errno, $errstr, 10);
	if (!$fp) {
		return "$errstr ($errno)\n";
	} else {
		$receive = '';
		$out = "POST $file HTTP/1.1\r\n";
		$out .= "Host: $host\r\n";
		$out .= "Content-type: application/x-www-form-urlencoded\r\n";
		$out .= "Connection: Close\r\n";
		$out .= "Content-Length: $len\r\n\r\n";
		$out .= $post;		
		fwrite($fp, $out);
		while (!feof($fp)) {
			$receive .= fgets($fp, 128);
		}
		fclose($fp);
		$receive = explode("\r\n\r\n",$receive);
		unset($receive[0]);
		return implode("",$receive);
	}
}
?>