database.php

<?php
    try{
        DEFINE('DB_USERNAME','liang.wu');
        DEFINE('DB_PASSWORD','oMmyE2aw');
        DEFINE('DB_HOST','127.0.0.1');
        DEFINE('DB_DATABASE','liang_wu');
        
        $mysqli = new mysqli(DB_HOST, DB_USERNAME, DB_PASSWORD, DB_DATABASE);
        $retour["success"]=true;
    } catch(Exception $e){
        $retour["success"]=false;
    };
    ?>