Make-Google-Search-Clone-with-php-and-mysql/includes/config.php

<?php
// DB credentials.
define('DB_HOST', 'localhost');
define('DB_USER', 'root');
define('DB_PASS', '');
define('DB_NAME', 'googleclone');
// Establish database connection.
try {
    $db = new PDO("mysql:host=".DB_HOST.";dbname=".DB_NAME, DB_USER, DB_PASS, array(PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES 'utf8'"));
} catch (PDOException $e) {
    exit("Error: " . $e->getMessage());
}