Ds\Map::last

(PECL ds >= 1.0.0)

Ds\Map::lastReturns the last pair of the map

说明

public Ds\Map::last(): Ds\Pair

Returns the last pair of the map.

参数

此函数没有参数。

返回值

The last pair of the map.

错误/异常

UnderflowException if empty.

示例

示例 #1 Ds\Map::last() example

<?php
$map
= new \Ds\Map(["a" => 1, "b" => 2, "c" => 3]);
var_dump($map->last());
?>

以上示例的输出类似于:

object(Ds\Pair)#2 (2) {
  ["key"]=>
  string(1) "c"
  ["value"]=>
  int(3)
}
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