Error !! Can't find data file : $data_file.
";
exit;
} else {
if ($max_record_in_data_file <> 0) {
$f = file($data_file);
sort($f);
$j = count($f);
if ($j > $max_record_in_data_file) {
$rf = fopen($data_file,"w");
if (strtoupper($os)=="UNIX") {
if (flock($rf,LOCK_EX)) {
for ($i=0; $i<$max_record_in_data_file; $i++) {
fwrite($rf,$f[$i]);
}
flock($rf,LOCK_UN);
}
} else {
for ($i=0; $i<$max_record_in_data_file; $i++) {
fwrite($rf,$f[$i]);
}
}
fclose($rf);
}
}
}
switch ($do) {
case "":
$record = file($data_file);
sort($record);
$jmlrec = count($record);
$PHP_SELF = "ardguest.php";
?>