<?php

 $DBhost = "localhost";
 $DBuser = "homestead";
 $DBpass = "secret";
 $DBname = "dbjson";

 try{

  $DBcon = new PDO("mysql:host=$DBhost;dbname=$DBname",$DBuser,$DBpass);
  $DBcon->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);

 }catch(PDOException $ex){

  die($ex->getMessage());
 }