Zend Form Translation example

<?php

class Form_Login extends Zend_Form
{
    public function init()
    {
        $this->setMethod('post');
        $this->setAttrib('id', 'loginForm');

        $username = $this->createElement('text', 'username');
        $username->setRequired(true);
        $username->setLabel($this->getView()->translate('formLabels_Username'));
        $username->addFilter('StripTags');
        $username->addFilter('StringTrim');

        $password = $this->createElement('password', 'password');
        $password->setRequired(true);
        $password->setLabel($this->getView()->translate('formLabels_Password'));
        $password->addFilter('StripTags');
        $password->addFilter('StringTrim');

        $submit = $this->createElement('submit', 'submit');
        $submit->setLabel($this->getView()->translate('formLabels_Login'));

        $elements = array($username, $password, $submit);

        $this->addElements($elements);
    }
}