Mine

$my_array = array();$dir = opendir ("/var/www/html/uploads");        while (false !== ($file = readdir($dir))) {                if (strpos($file, '.txt',1)||strpos($file, '.txt',1) ) {                   $my_array[] = $file;                   echo '<SELECT name=category>';                   foreach($my_array as $key => $value)                   {                   echo '<OPTION value='.$value.'> '.$value.'';                    }                   echo '</select>';                }        }