SplDoublyLinkedList::__construct
(PHP 5 >= 5.3.0)
SplDoublyLinkedList::__construct — Constructs a new doubly linked list
說明
public SplDoublyLinkedList::__construct
( void
)
This constructs a new empty doubly linked list.
參數
此函式沒有參數。
回傳值
無回傳值。
範例
Example #1 SplDoublyLinkedList::__construct() example
<?php
$dll = new SplDoublyLinkedList();
$dll->push(2);
$dll->push(3);
$dll->unshift(5);
var_dump($dll);
?>
上例將輸出：
object(SplDoublyLinkedList)#1 (2) {
["flags":"SplDoublyLinkedList":private]=>
int(0)
["dllist":"SplDoublyLinkedList":private]=>
array(3) {
[0]=>
int(5)
[1]=>
int(2)
[2]=>
int(3)
}
}
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