CSupportTools::array_keys_exists

static function array_keys_exists($key, $arr, $more0 = "", $andOr = "&&")
{
	$arrKeys = self::prepareParamArray($key);
	$arrMore0 = self::prepareParamArray($more0);
	$res = true;
	foreach($arrKeys as $k => $v) 
	{
		$resC = (is_array($arr) && array_key_exists($v,  $arr)
			&& (!in_array("strlen", $arrMore0) || strlen($arr[$v]) > 0)
			&& (!in_array("count", $arrMore0) || ( is_array($arr[$v]) && count($arr[$v] ) > 0))
			&& (!in_array("intval", $arrMore0) || intval($arr[$v]) > 0)
		);
		if($andOr == "||") $res = ($res || $resC);
		elseif(!$resC) return false;
	}
	return $res;
}