login.php

<?php

require_once "header.php";

require_once "maincore.php";

require_once "includes/dbconnector.class.php";

$db=new DbConnector;

if( isset($_POST['register'] ) ){

	$username=$_POST['username'];

	$password=md5($_POST['password']);



	$prepare=$db->mysqli->prepare("select user_id,password from tbl_user where username=?");

	$prepare->bind_param('s',$username);

	$prepare->execute();

	$prepare->bind_result($uid,$pass);

	$prepare->fetch();

	$prepare->close();

	

	if($password==$pass){

		$_SESSION['user']['logged']=true;

		$_SESSION['user']['uid']=$uid;

		header('Location:index.php');

	}else{

		

		$_SESSION['error']['invalid']=true;

		header('Location:login.php');

		

	}

}else{

	if( isset( $_SESSION['error']['invalid'])) {

		$smarty->assign('invalid',true);

		unset( $_SESSION['error'] ) ;

	}

	$smarty->display('template/login.tpl');

}

?>