Connection file

<?php //login_names.php

    $hn = 'localhost';
    $db = 'publications';
    $un = 'root';
    $pw = '';


 $conn = new mysqli($hn, $un, $pw, $db);
    if ($conn->connect_error) die($conn->connect_error);
    // if (!$conn->connect_error) {
    //    echo "Connection Successful!";
    //    }

?>