Ds\Deque::get

(PECL ds >= 1.0.0)

Ds\Deque::get — Returns the value at a given index

说明

public Ds\Deque::get ( int $index ) : mixed

Returns the value at a given index.

参数

index

The index to access, starting at 0.

返回值

The value at the requested index.

错误／异常

OutOfRangeException if the index is not valid.

范例

Example #1 Ds\Deque::get() example

<?php
$deque = new \Ds\Deque(["a", "b", "c"]);

var_dump($deque->get(0));
var_dump($deque->get(1));
var_dump($deque->get(2));
?>

以上例程的输出类似于：

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

Example #2 Ds\Deque::get() example using array syntax

<?php
$deque = new \Ds\Deque(["a", "b", "c"]);

var_dump($deque[0]);
var_dump($deque[1]);
var_dump($deque[2]);
?>

以上例程的输出类似于：

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