WEB APP TO MySQL

<?php

//connect your database
class Connect extends PDO
{
    public function __construct()
    { 
        try
        {  
          //all variables and values i.e $dbuser e.t.c located in this file outside of the web root directory
            $db_config = require 'db_config_file';

            parent::__construct("mysql:host=$host; dbname=$dbname", $dbuser, $dbpass, array(PDO::MYSQL_ATTR_INIT_COMMAND => $attrinitcmd));
            $this->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
            $this->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
        }
        catch(PDOException $e)
        {
            die("Imeshindwa kuunganishwa na ifadhi data");
        }
    }
}
?>