public function execute($filterChain)
{
$probability = sfConfig::get('app_tipFilter_probability');
srand(myUtils::makeSeed());
$genProb = rand(0, 100) / 100;
// put random message to request
if ($genProb <= $probability) {
$tip = $this->getTip();
$this->getContext()->getRequest()->setParameter('tip', array($tip['place'] => $tip['text']));
}
// Execute next filter in the chain
$filterChain->execute();
}
public static function getTip()
{
$holder = tipHolder::getInstance();
srand(myUtils::makeSeed());
return $holder->tips[rand(0, sizeof($holder->tips) - 1)];
}