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<keyksort>
Last updated: Mon, 16 Jul 2012

krsort

(PHP 3 >= 3.0.13, PHP 4, PHP 5)

krsort -- 对数组按照键名逆向排序

说明

int krsort ( array array [, int sort_flags] )

对数组按照键名逆向排序,保留键名到数据的关联。主要用于结合数组。

例子 1. krsort() 例子

<?php
$fruits
= array ("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
krsort ($fruits);
reset ($fruits);
while (list (
$key, $val) = each ($fruits)) {
   echo
"$key = $val\n";
}
?>

本例将显示:

d = lemon
c = apple
b = banana
a = orange

可以用可选参数 sort_flags 改变排序的行为,详情见 sort()

参见 asort()arsort()ksort()sort()natsort()rsort()




<keyksort>
 Last updated: Mon, 16 Jul 2012
 
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