(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.
This function has no parameters.
The value at the top of the stack.
UnderflowException if empty.
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"