public function getData()
{
if ($this->_head != null) {
$node = $this->pop();
while ($node) {
var_dump($node->value . "\n");
$node = $this->pop();
}
} else {
return "list is empty!\n";
}
}
}
class Node
{
public $value = null;
public $next = null;
public $pre = null;
}
$data = array(100, 4, 5, 6, 4, 7, 89, 5, "100c");
$list = new LinkedList();
foreach ($data as $key => $value) {
$node = new Node();
$node->value = $value;
$list->push($node);
$arr[$key] = $node;
}
var_dump($arr);
//$list->del($arr[2]);
//var_dump($list);
//$list->getData();