connect.php

<?php

$hostname ="localhostname"; //hostname name
$username = "root"; //Mysqli username
$password = ""; //Mysqli password
$dbname ="db_applicants"; // Database name

// Connect to server and select database.

mysqli_connect ("$hostname", "$username", "$password", "$dbname") or die ("Database Connection Failed");

mysqli_select_db("$dbname") or die("Database Connection Failed");

?>