# wget http://curl.haxx.se/download/curl-7.17.1.tar.gz
# tar zxvf curl-7.17.1.tar.gz  //解压
#cd curl-7.17.1
# ./configure –prefix=/usr/local/curl
# make
# make install

$username = 13800138000;
$password = 123456;
$sendto = 13912345678;
$message = "测试一个试试看！";
$curlPost = 'username='.urlencode($username).'&password='.urlencode($password).'&sendto='.urlencode($sendto).'&message='.urlencode($message).'';
$ch = curl_init();//初始化curl
curl_setopt($ch,CURLOPT_URL,'http://sms.api.bz/fetion.php');//抓取指定网页
curl_setopt($ch, CURLOPT_HEADER, 0);//设置header
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
curl_setopt($ch, CURLOPT_POST, 1);//post提交方式
curl_setopt($ch, CURLOPT_POSTFIELDS, $curlPost);
$data = curl_exec($ch);//运行curl
curl_close($ch);
print_r($data);//输出结果

/*curl实例
*/
$curl = curl_init();
// 设置你需要抓取的URL
curl_setopt($curl, CURLOPT_URL, 'http://www.baidu.com');
// 设置header
curl_setopt($curl, CURLOPT_HEADER, 0);
// 设置cURL 参数，要求结果保存到字符串中还是输出到屏幕上。
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
// 运行cURL，请求网页
$data = curl_exec($curl);
if($data === false){
 echo curl_error($curl);exit;
}
$info = curl_getinfo($curl);
// 关闭URL请求
curl_close($curl);

// 显示获得的数据
var_dump($info);
var_dump($data);