public static function checkSolution(WC_Challenge $chall, $random, $letters_only = false, $lowercase = false, $length = 12)
{
if (false === ($answer = Common::getPostString('answer', false))) {
return;
}
$solution = self::generateSolution($random, $letters_only, $lowercase, $length);
if ($lowercase) {
$answer = strtolower($answer);
}
$chall->setVar('chall_solution', WC_Challenge::hashSolution($solution, $lowercase));
$chall->onSolve(GWF_Session::getUser(), $answer);
}
