DataBaseClass

<!--DatabaseClass.php---->
<?php
	require_once('config.php');//calling config.php
	class Database{

		public $connection;//property

		//__construct();
		public function __construct(){
			$this->openDbConnection();
		}

		//method
		public function openDbConnection(){
			$this->connection = mysqli_connect(DB_HOST,DB_USER,DB_PASS,DB_NAME);
			if (mysqli_connect_errno()) {
				# code...
				die("Database Connection Failed Badly" . mysqli_error());
			}else{
				echo "DB Connected Successfully.";
			}
		}
	}
	//instance of the class
	$database = new Database();

	//calling the Method
	//$database->openDbConnection();
	/*
	*if we call this Method vis Object than Database will be connected
	*but we will make the connection automcatic.
	*so we will use a __construct() to connect DB Atomatically.
	*/

?>