Array function library: Arsort

Arsort

(PHP3, PHP4)

Arsort---Reverse the order of the array and maintain the index value of the relationship

Grammar: void&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" Arsort (array array);

Description:

This function reverses the order of the array elements (z) and maintains the relationship of the array element to its index value, which is primarily used to arrange the order of the array elements to be reversed.

Example:

<?php

$fruits = Array ("D" => "Lemon", "a" => "Orange", "B" => "banana", "C" => "Apple");

Arsort ($fruits);

for (Reset ($fruits); $key = key ($fruits); next ($fruits)) {

echo "fruits[$key] =". $fruits [$key]. " \ n ";

}

?>

The results of this example are:

Fruits[a] = Orange

FRUITS[D] = Lemon

FRUITS[B] = Banana

FRUITS[C] = Apple

This shows that the array fruits has been reversed, and that the relationship between the index values and the elements remains unchanged.

Reference: Asort () Rsort () Ksort () sort ()