gistfile1.txt

    protected function validateEventData($data)
    {
        $days = (int)$data['pipeline_event_days'];
        if ($data['pipeline_event_days'] != $days)
        {
            throw new Exception('Invalid value for days');
        }
        throw new Exception("....if ({$data['pipeline_event_days']} != $days)....");
    }


try{
validateEventData(array('pipeline_event_days' => 'abc'));
} catch (Exception $e) {
print $e->getMessage() . "\n";
}