How to connect MySQL database in php

This will show how to connect MySQL database in PHP. You can use following code to connect database.

<?php
$con = mysqli_connect("localhost","root","projectpassword","dbname");
if (mysqli_connect_errno()) 
{
 echo "Failed to connect to MySQL database.."; 
 exit(); 
}

Here localhost is the server name, root is mysql server user name, projectpassword is database server password and dbname is the name of the database.