<?php
// Connect to DB

class Dbh {
  private $host = "";
  private $user = "";
  private $pwd = "";
  private $dbName = "";
  
  protected function connect(){
    $dsn = 'mysql:host=' . $this->host . ';dbname=' . $this->dbName;
    $pdo = new PDO($dsn, $this->user, $this->pwd);
    
    // Set default return type
    $pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
    
    return $pdo;
  }
}