public function variable($string)
{
$_this =& self::getInstance();
if (!($result = $_this->_cache(__FUNCTION__, $string))) {
$string2 = self::camelize(self::underscore($string));
$replace = strtolower(substr($string2, 0, 1));
$result = preg_replace('/\\w/', $replace, $string2, 1);
$_this->_cache(__FUNCTION__, $string, $result);
}
return $result;
}