/**
* Validate if captcha code is correct.
*
* @param string $fieldName Name of the captcha field.
*
* @return bool
*/
public static function validateCaptcha($fieldName)
{
if (!validateNotEmpty($fieldName)) {
return false;
}
if (!validateNoSpaces($fieldName)) {
return false;
}
if (Request::getFieldValue($fieldName) != Session::get($fieldName)) {
Errors::saveErrorFor($fieldName, \__ERRORS::INVALID_CAPTCHA_CODE);
return false;
}
return true;
}
/**
* Forget all cross session fields.
*
* @return bool
*/
public static function forgetFields()
{
return Session::remove('_post');
}