Question

php 变量定义

<?php

$m=$_GET[m];
$p=$_GET[p];
$to=$_GET[to];
$tent=$_GET[tent];
$action=$_GET[action];
include "./class_fetion.php";
//new fetion class and init
$fetion = new fetion("$m","$p");
$fetion->init() or die("");

if ($action=="tel_sms")
{
$fetion->sent_sms("tel:$to", "$tent");
}
elseif ($action=="sip_sms")
{
$fetion->sent_sms('sip:'.$_GET[to].'@fetion.com.cn;p=4586', "$tent");
}
elseif ($action=="glist")
{
$friends = $fetion->get_friends_list();
}
else
{
echo "参数错误";
}
?>
本地服务器测试可以..上传到空间就显示代码错误了.
请帮我看看..

Notice: Use of undefined constant m - assumed 'm' in D:\userwwwroot\zhoubujin\wwwroot\ff\index.php on line 3

Notice: Use of undefined constant p - assumed 'p' in D:\userwwwroot\zhoubujin\wwwroot\ff\index.php on line 4

Notice: Use of undefined constant to - assumed 'to' in D:\userwwwroot\zhoubujin\wwwroot\ff\index.php on line 5

Notice: Undefined index: to in D:\userwwwroot\zhoubujin\wwwroot\ff\index.php on line 5

Notice: Use of undefined constant tent - assumed 'tent' in D:\userwwwroot\zhoubujin\wwwroot\ff\index.php on line 6

Notice: Undefined index: tent in D:\userwwwroot\zhoubujin\wwwroot\ff\index.php on line 6

Notice: Use of undefined constant action - assumed 'action' in D:\userwwwroot\zhoubujin\wwwroot\ff\index.php on line 7

Answer 1

全部错误都是一样的，我只说第3行的那个：
$m=$_GET[m];

你这个语句的意思是把数组$_GET的一个元素赋值给$m，但是那个元素不存在，一般对于_GET数组你应该这样操作：

if (isset($_GET['m'])) $m=$_GET['m'];
else $m='';

特别注意，我是加了引号的，建议你也加引号，否则容易出问题。