title: Zend form- element error addmultioption
body: <p>I have been working on zend for a while now, but have come across this error " Fatal error: Call to a member function addMultiOption() on a non-object " a number of times but was easily solved by changing the element but now can't see to find a solution, and below the form the is the same code which works fine don't know whats up here. here's the code the error comes from</p>
  
  <p>$first_name->addMultiOption($staff->staff_id, $staff->first_name);</p>