我需要在php中的单个define函数中定义从数据库返回的两个变量

I have the below code:

define('DB_USERTABLE_NAME','firstname'); 

But i need to have firstname + lastname as DB_USERTABLE_NAME

Can anyone please let me know how to do it

Thanks

Regards

Try this code:

define('DB_USERTABLE_NAME',trim($firstname).trim($lastname)); 

Example:

$firstname = "Rashid";
$lastname = "Rana";

define('DB_USERTABLE_NAME',trim($firstname).trim($lastname)); 

echo DB_USERTABLE_NAME; // RashidRana