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PasswordSentry

Latest Version [8.00202205221] Last Updated [May-22-2022]

Tools

PHP Manual [Ds\Stack

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PHP Manual || Stack

(PECL ds >= 1.0.0)

Ds\Stack::peekReturns the value at the top of the stack

Description

public Ds\Stack::peek ( void ) : mixed

Returns the value at the top of the stack, but does not remove it.

Parameters

This function has no parameters.

Return Values

The value at the top of the stack.

Errors/Exceptions

UnderflowException if empty.

Examples

Example #1 Ds\Stack::peek() example

<?php
$stack 
= new \Ds\Stack();

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

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

The above example will output something similar to:

string(1) "c"


PHP Manual || Stack