Description:
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It seems to me that array_multisort() is not working properly (does not sort at all) for a reference to an array. The example code is listed below. I noticed that sort() works properly.

<?PHP
$p['us'] = array();
$arr = &$p['us'];
$arr[]=4;
$arr[]=2;
$arr[]=1;
$arr[]=5;
array_multisort($arr);
//sort($arr); this works properly.

for ($i=0; $i<count($arr); $i++) {
   echo($arr[$i]);
   echo("\n");
}
?>