install.php at Create Your Own Directory

<?php
$type = $_POST['type'];

require_once "../auth/config.php";

if(($hostname == "" || $dbname == "" || $username == "") || $type=="changedb")
{
	if($type=="updatedb")
		 echo "<div align=center class=rad>Invalid Data, Please give proper values</div>";

	include "auth/inputdbname.php";
}
?>
<head>
<style>
.ta{background-color: ffff44;}
.rad{color:red; font-weight:bold; background-color: ffff44;}
</style>
</head>
<?php
if($type=="updatedb")
{
	$username = $_POST['username'];
	$password = $_POST['pass'];
	$hostname = $_POST['hostname'];
	$dbname = $_POST['dbname'];

	//open config.php and write the data in to it.

	$file = "../auth/config.php"; 
	$open = fopen($file, "w");
	fwrite($open,"<?php\n\n \$username = \"".$username."\";\n \$password = \"".$password."\";\n \$hostname = \"".$hostname."\";
		\n \$dbname = \"".$dbname."\";\n\n ?>");
	fclose($open);
}


if($type=="updatedb")
	include "auth/message.php";
else if($type=="createtables")
	include "auth/create.php";
else if($type=="updateadmin")
	include "auth/updateadmin.php";
else 
	include "auth/reauth.php";

?>