PDO not installed in my server!Need help to disable it in my script...

Hello,

I am trying to install a wallpaper script in my server.But it requires PDO.unfortunately its not installed in my server.

Now,I need it to be disabled via config.php file...

Also,I dunno where to put the database details in my config.php..

This is my config.php file...

Please let me know how to disable PDO and put the database details..

<?php 
/* setup dev user by ip. good to test on live server */
$arr_myip = array('78.38.241.7','127.0.0.1','78.38.241.32' );
function is_dev()
{
	global $arr_myip;
	if(defined('REMOTE_ADDR'))
	{
		return in_array(REMOTE_ADDR,$arr_myip);
	}
	return false;
}

// if mod rewrite works then define questy string
// $_SERVER['QUERY_STRING'] = $_SERVER['REQUEST_URI'];



$connections = array(		
						'master'	=>	array('DB_DSN'=>'mysql:dbname={DB_NAME};host={DB_HOST}',
											'DB_USER'=>'{DB_USER}',
											'DB_PASS'=>'{DB_PASS}')					
					);


// user ve blogbilgisi bu tabloda. diller tablosu blog tablosundaki dilsecenegine gore degisir.
define('MAIN_DB','master');
define('TABLE_PREFIX', '{TABLE_PREFIX}');

define('REQUEST_TIME',$_SERVER['REQUEST_TIME']);
define('REMOTE_ADDR',$_SERVER['REMOTE_ADDR']);

// if developer then 
if(is_dev())
{
	define('DEBUG', true);
	// turn error reporting on 
	error_reporting(E_ALL);
	ini_set('display_errors', '1');
}
else
{
	define('DEBUG', false);
}

// The full URL of your Frog CMS install
define('DOMAIN', dirname($_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']));
define('URL_PUBLIC', 'http://'.DOMAIN.'/');
define('URL_ASSETS', URL_PUBLIC.'public/');

// define cache and temp folders
define('TMP',FROG_ROOT.'/tmp/tmp');
define('CACHE_DIR',FROG_ROOT.'/tmp/cache');

// user image folders
define('UPLOAD_LIMIT',(102400*10));//1024000byte  -> 1024 KB
define('UPLOAD_ROOT',FROG_ROOT.'/user-content/uploads');
define('UPLOAD_URL',URL_PUBLIC.'user-content/uploads');
define("IMAGEMAGICK_PATH","/usr/bin/");



// The directory name of your Frog CMS administration (you will need to change it manualy)
//define('ADMIN_DIR', 'admin');

// Change this setting to enable mod_rewrite. Set to "true" to remove the "?" in the URL.
// To enable mod_rewrite, you must also change the name of "_.htaccess" in your
// Frog CMS root directory to ".htaccess"
define('USE_MOD_REWRITE', {USE_MOD_REWRITE});

// add a suffix to pages (simluating static pages '.html')
define('URL_SUFFIX', '.html');

// if your server doesn't have PDO (with MySQL driver) set the below to false
define('USE_PDO', {USE_PDO});

// Set the timezone of your choise
// go here for more information of the available timezone:
// http://php.net/timezones GMT
define('DEFAULT_TIMEZONE', 'GMT');


// set library path
$path = CORE_ROOT . '/libraries'; 
set_include_path(get_include_path() . PATH_SEPARATOR . $path);


// configuration 
//define('MAX_COMMENTS',100); // max number of comments
//define('COMMENTS_MODERATE',true); // admin or mod have to approve comment before it appears on front page 

PHP:

Thanks in advance...