PHP call variable
<p>i am using dreamweaver for my php. how do i get a variable called username from another page and display it to greet the user by name. i can login to the welcome page but getting and error when calling the variable i.e </p>

<pre><code>&lt;?php $_POST['username'] ?&gt;
</code></pre>

<p>Error is Undefined index: username </p>
