Ds\Stack::pop

(PECL ds >= 1.0.0)

Ds\Stack::pop — Removes and returns the value at the top of the stack

說明

public Ds\Stack::pop(): mixed

Removes and returns the value at the top of the stack.

參數(shù)

此函數(shù)沒有參數(shù)。

返回值

The removed value which was at the top of the stack.

錯誤／異常

UnderflowException if empty.

范例

示例 #1 Ds\Stack::pop() example


<?php
$stack = new \Ds\Stack();

$stack->push("a");
$stack->push("b");
$stack->push("c");

var_dump($stack->pop());
var_dump($stack->pop());
var_dump($stack->pop());
?>

以上例程的輸出類似于：

string(1) "c"
string(1) "b"
string(1) "a"