虎绿林登陆API

<?php
$name=$_GET[name];
$pass=$_GET[password];
$url='http://hu60.cn/wap/read.php?id=login&do=do&u=index.php';
$post_string=array('name'=>$name,'pass'=>$pass,'go'=>'登陆');
$ch = curl_init();
curl_setopt($ch,CURLOPT_URL,$url);
curl_setopt($ch,CURLOPT_POSTFIELDS,$post_string);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);
curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,10);
$result = curl_exec($ch);
curl_close($ch);
preg_match_all("/用户不存在<hr\/>/",$result,$a);
preg_match_all("/密码错误<hr\/>/",$result,$b);
preg_match_all("/".$name." 欢迎回来！/",$result,$c);
if($a[0][0])
{
$p="无此用户名";
}elseif($b[0][0])
{
$p="密码错误";
}elseif($c[0][0])
{
$p=$name;
}
echo $p;