Ds\Stack::pop

    (PECL ds >= 1.0.0)

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

    说明

    public Ds\Stack::pop(): mixed

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

    参数

    此函数没有参数。

    返回值

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

    错误／异常

    UnderflowException if empty.

    示例

    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());
    ?>

    以上示例的输出类似于：

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

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