hosting di webhost000 eror di koneksi

ini yang salah apanya ya gan

<?php
global $base_url;
global $url_page;
global $url_data;
global $url_hal;
global $url_lain;

$sql = array(
	'user'	=> 'root',
	'pass'	=> '',
	'db'	=> 'id3691920_koran',
	'host'	=> 'korankampuss.000webhostapp.com'
);

$con = mysql_connect($sql['host'],$sql['user'],$sql['pass']);
$db = mysql_select_db($sql['db']);

$base_url = "http:korankampuss.000webhostapp.com";
$link = preg_replace('./[^A-Za-z0-9\/].', '',$_SERVER['REQUEST_URI']);
$url = (explode('/', $link));

?>