<?php
function get_db_config() {
    return [
        'host' => 'localhost',
        'username' => 'myquant',
        'password' => '_H(lU1_fF*9baRTp',
        'database' => 'myquant',
        'charset' => 'utf8mb4'
    ];
}

function get_mysqli_connection() {
    $db_config = get_db_config();
    $mysqli = new mysqli(
        $db_config['host'],
        $db_config['username'],
        $db_config['password'],
        $db_config['database']
    );

    if ($mysqli->connect_error) {
        die("Connection failed: " . $mysqli->connect_error);
    }

    $mysqli->set_charset($db_config['charset']);
    return $mysqli;
}