(PECL ds >= 1.0.0)
Ds\Stack::peek — Returns the value at the top of the stack
Returns the value at the top of the stack, but does not remove it.
Bu işlevin değiştirgesi yoktur.
The value at the top of the stack.
UnderflowException if empty.
Örnek 1 Ds\Stack::peek() example
<?php
$stack = new \Ds\Stack();
$stack->push("a");
$stack->push("b");
$stack->push("c");
var_dump($stack->peek());
?>
Yukarıdaki örnek şuna benzer bir çıktı üretir:
string(1) "c"