Dagestan_ец, Хз гг 
такой вот вариант
define('_IN_JOHNCMS', 1);
$headmod = 'graf';
$textl = 'граф';
require_once('../incfiles/core.php');
$query = mysql_result(mysql_query("SELECT `name`, `postforum` FROM `users` ORDER BY `postforum` DESC LIMIT 9"));
while($row = mysql_fetch_assoc($query)){
$arr[] = $row['name'] . ' ' . $row['postforum'] . '<br/>';
echo $arr;
}
$file = 'file.php';
$fo = fopen($file, 'w+');
fwrite($fo, $arr);
fclose($fo);
echo 'FILE WRITE IS OK!)';