sort() warning

From:	Ashley M. Kirchner	Date:	Wed, 06 Sep 2006 16:47:02 +0000
Subject:	sort() warning
Groups:	php.general
Request:	Send a blank email to php-general+get-241420@lists.php.net to get a copy of this message

Given this piece of code: $i = 0; if ($dir = opendir($path)) { while ($dh = readdir($dir)) {

     if ($dh != '.' && $dh != '..') {
       $Dirs[$i] = $dh;
       $i++;
     }

} } closedir($dir); sort($Dirs); Why does sort() give me the following warning: PHP Warning: sort() expects parameter 1 to be array, null given in .... The array contents is as follows ( according to print_r($Dirs) ) Array (

       [0] => 1029
       [1] => 1197
       [2] => 1254
       [3] => 1093
       [4] => 1217
       [5] => 1272
       [6] => 1233
       [7] => 1257
       [8] => 1017
       [9] => 1033

) The end result I want is that it sorts out that array in ascending order, thus 1017, 1029, 1033, 1042, etc., etc...