Ds\Stack::peek

(PECL ds >= 1.0.0)

Ds\Stack::peek — Returns the value at the top of the stack

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

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

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The value at the top of the stack.

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UnderflowException if empty.

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

<?php
$stack = new \Ds\Stack();

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

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

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string(1) "c"