Señor SirDuque
realice lo q me pidio y salio esto xD!
Warning: mysql_connect() [function.mysql-connect]: Can't get hostname for your address in C:\wamp\www\conexion.php on line 6
Access denied for user ''@'localhost' to database 'moodle'
linea 6: $db_con=mysql_connect($db_host,$username,$password );