array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'ds-set.reverse.php', 1 => 'Ds\\Set::reverse', 2 => 'Reverses the set in-place', ), 'up' => array ( 0 => 'class.ds-set.php', 1 => 'Ds\\Set', ), 'prev' => array ( 0 => 'ds-set.remove.php', 1 => 'Ds\\Set::remove', ), 'next' => array ( 0 => 'ds-set.reversed.php', 1 => 'Ds\\Set::reversed', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/ds/ds/set/reverse.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

Ds\Set::reverse

(PECL ds >= 1.0.0)

Ds\Set::reverse — Reverses the set in-place

说明

public Ds\Set::reverse(): void

Reverses the set in-place.

参数

此函数没有参数。

返回值

没有返回值。

示例

示例 #1 Ds\Set::reverse() example

<?php
$set = new \Ds\Set(["a", "b", "c"]);
$set->reverse();

print_r($set);
?>

以上示例的输出类似于：

Ds\Set Object
(
    [0] => c
    [1] => b
    [2] => a
)