   #PHP Manual Array Functions arsort compact

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                                     asort

   (PHP 3, PHP 4 )
   asort -- Sort an array and maintain index association

Description

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

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

   The fruits have been sorted in 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 arsort(), rsort(), ksort(), and sort().
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