SplStack::__construct()
(PHP 5 >= 5.3.0, PHP 7)
Constructs a new stack implemented using a doubly linked list
说明
SplStack::__construct(void)This constructs a new empty stack.
Note:This method automatically sets the iterator mode to SplDoublyLinkedList::IT_MODE_LIFO.
参数
此函数没有参数。
返回值
没有返回值。
范例
SplStack::__construct() example
<?php $q = new SplStack(); $q[] = 1; $q[] = 2; $q[] = 3; foreach ($q as $elem) { echo $elem."\n"; } ?>
以上例程会输出:
3 2 1