/**
* @return Zend_Form_Element_Captcha|Zend_Form_Element_Hidden
*/
protected function _captcha()
{
$registry = Zend_Registry::getInstance();
if (!isset($registry['captcha']) || isset($registry['captcha']) && $registry['captcha']) {
$imgUrl = '/captcha';
$imgDir = PUBLIC_PATH . $imgUrl;
// check captcha path is writeable
if (is_writable($imgDir)) {
$element = new Zend_Form_Element_Captcha('captcha', array('label' => "Please verify you're a human", 'captcha' => 'Image', 'captchaOptions' => array('captcha' => 'Image', 'wordLen' => 4, 'timeout' => 300, 'imgDir' => $imgDir, 'imgUrl' => $imgUrl, 'font' => dirname(APPLICATION_PATH) . "/data/fonts/Aksent_Normal.ttf", 'dotNoiseLevel' => 25, 'lineNoiseLevel' => 2, 'height' => 70)));
} else {
$element = new Zend_Form_Element_Captcha('captcha', array('label' => "Please verify you're a human", 'captcha' => 'Figlet', 'captchaOptions' => array('wordLen' => 4, 'timeout' => 300)));
}
$element->clearDecorators()->addDecorator('HtmlTag', array('tag' => '<div>', 'class' => 'captcha'))->addDecorator('Label')->addDecorator('Description', array('tag' => '<a>', 'class' => 'btn-reload captcha-refresh', 'title' => 'Press to reload image'))->setDescription('Reload')->addDecorator('Errors');
} else {
$element = new Zend_Form_Element_Hidden('captcha');
}
return $element;
}
