nayanchy

<?php 
  
        if(isset($_POST['submit'])){
           try{
                $DB = new PDO('mysql:host=localhost; dbname=databasename;', 'user', 'pass');
                $DB->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
            }catch(PDOException $error){
                echo 'Database connection error';
            }