Pommo_Helper::trimArray PHP Method

    function &trimArray(&$a)
    {
        array_walk($a, array('Pommo_Helper', 'trimValue'));
        return $a;
    }

function check_notifyMails($value, $empty, &$params, &$formvars)
{
    $mails = Pommo_Helper::trimArray(explode(',', $value));
    $ret = true;
    foreach ($mails as $mail) {
        if (!empty($mail) && !Pommo_Helper::isEmail($mail)) {
            $ret = false;
        }
    }
    return $ret;
}