ProfessorForm

Professor.php

<?php 
class Application_Form_Professor extends Application_Form_Pessoa {
 	public function init() { 
		parent::init();
        $disciplina = new Zend_Form_Element_Text('disciplina');
        $disciplina->setLabel('Disciplina')->setRequired(true)->addFilter('StripTags')->addValidator('NotEmpty');
        $submit = new Zend_Form_Element_Submit('submit'); 
        $submit->setLabel('Entrar'); 
        $submit->setAttrib('id', 'Entrar');

        $this->addElements(array($disciplina,$submit)); 
        //action e method
        $this->setAction('/professor/index')->setMethod('post'); 
    }
}