PHP 手冊
上一頁 |  | 下一頁

# rsort

(PHP 3, PHP 4 , PHP 5)

rsort -- Sort an array in reverse order

## Description

bool rsort ( array &array [, int sort_flags])

This function sorts an array in reverse order (highest to lowest).

成功回傳`TRUE`失敗回傳`FALSE`。

示範 1.rsort() example
`<?php $fruits = array("lemon", "orange", "banana", "apple"); rsort($fruits); reset($fruits); while (list($key, $val) = each($fruits)) { echo "$key = $val\n"; } ?>`
This example would display:
    0 = orange
    1 = lemon
    2 = banana
    3 = apple

The fruits have been sorted in reverse alphabetical order.

You may modify the behavior of the sort using the optional parameter sort_flags, for details see sort().

See also arsort(), asort(), ksort(), sort(), and usort().

上一頁 | 最開頭 | 下一頁
reset | 上一層 | shuffle