SplStack::__construct
(PHP 5 >= 5.3.0, PHP 7)
SplStack::__construct — Constructs a new stack implemented using a doubly linked list
说明
public SplStack::__construct()
This constructs a new empty stack.
注意:
This method automatically sets the iterator mode to SplDoublyLinkedList::IT_MODE_LIFO.
参数
此函数没有参数。
范例
示例 #1 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
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