title: Zend Forms - populate() and setDefaults()
body: <p>Let's say I have a form that collects a first name and a last name:</p>
  
  <pre><code>$first_name = new Zend_Form_Element_Text('first_name');
  $first_name-&gt;setLabel("First Name")
      -&gt;setRequired(true);
  
  $last_name = new Zend_Form_Element_Text('last_name');
  $last_name-&gt;setLabel("Last Name")
      -&gt;setRequired(true);
  
  $form = new Zend_Form();
  $form-&gt;addElement($first_name)
      -&gt;addElement($last_name)
  </code></pre>
  
  <p>If I want to use the "populate($data)" or the "setDefaults($data)" method on the form, how does the array need to be organized? What kind of an array do these functions expect? I haven't been able to find this information in the docs.</p>
  
  <p>Also, I know that I can set the value when creating the element itself, but this is not what I need. </p>