初始化php中的常量[重复]

i have placed these code in my php file. i am getting some errors like,

Use of undefined constant To - assumed 'To' Use of undefined constant To - assumed 'Message' etc.

How do I declare the constants?

$sendsms =""; //initialise the sendsms variable
$param[To] = "0123456";
$param[Message] = "testmsg";
$param[UserName] = "user";
$param[Password] = "pwd";
$param[Mask] = "TTNERD";
$param[v] = "1.1"; 
$param[Type] = "Individual"
</div>

Wrap those array keys in quotes:

$param[To] becomes $param['To']

Quote your array keys

$param['To'] = "0123456";
$param['Message'] = "testmsg";
$param['UserName'] = "user";
$param['Password'] = "pwd";
$param['Mask'] = "TTNERD";
$param['v'] = "1.1"; 
$param['Type'] = "Individual"