<?php
//PDO
$servername = "localhost";
$username = "root";
$password = "";

try {
$pdo = new PDO("mysql:host=$servername;dbname=mydatabase", $username, $password);
// set the PDO error mode to exception
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
echo "Connected successfully"  . "<br />";
}
catch(PDOException $e)
{
echo "Connection failed: " . $e->getMessage();
}
?>