/**
* The rekursive handler of list
*
* @param array $list an array of PC_Variables to assign; may contain sub-arrays; contains null
* if an element should be ignored
* @param PC_Obj_MultiType $expr the array to take the elements from
*/
private function handle_list_rek($list, $expr)
{
$array = $expr->get_array();
$lcount = count($list);
for ($i = 0; $i < $lcount; $i++) {
if ($list[$i] === null) {
continue;
}
$el = isset($array[$i]) ? $array[$i] : $this->create_unknown();
if (is_array($list[$i])) {
$this->handle_list_rek($list[$i], $el);
} else {
$this->set_var($list[$i], $el);
}
}
}
