   #PHP Manual Array Functions array asort

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                                    arsort

   (PHP 3, PHP 4 )
   arsort --  Sort an array in reverse order and maintain index
   association

Description

   void arsort ( array array [, int sort_flags])

   This function sorts an array such that array indices maintain their
   correlation with the array elements they are associated with. This is
   used mainly when sorting associative arrays where the actual element
   order is significant.

   Example 1. arsort() example
   <?php
   $fruits = array("d" => "lemon", "a" => "orange", "b" => "banana", "c"
   => "apple");
   arsort($fruits);
   reset($fruits);
   while (list($key, $val) = each($fruits)) {
       echo "$key = $val\n";
   }
   ?>

   This example would display:
a = orange
d = lemon
b = banana
c = apple

   The fruits have been sorted in reverse alphabetical order, and the
   index associated with each element has been maintained.

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

   See also asort(), rsort(), ksort(), and sort().
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