public function testRemoveAttribReturnsFalseIfAttribDoesNotExist()
{
$this->assertFalse($this->form->removeAttrib('foo'));
}
/**
* Adds a captcha element to the given form if the for attribute
* "data-captcha" equals true or "yes".
*
* The "data-captcha" attribute is removed after processing to
* ensure that it is not rendered by the form.
*
* @param Zend_Form $form
*/
public function enhance(Zend_Form $form)
{
$activate = $form->getAttrib('data-captcha');
if ($activate === null) {
// Form does not define instructions regarding captcha usage.
return;
}
// Remove the attribute to ensure that the instruction is not rendered.
$form->removeAttrib('data-captcha');
if ($activate !== 'yes') {
return;
}
$this->addCaptcha($form);
}
