functions.php

<?php

    //use these credentials for the awardspace hosting
    //require_once('db_production_credentials.php');
    
    //use these credentials for localhost through codenvy
    require_once('db_credentials.php');

    function db_connect() {
        $connection = mysqli_connect(DB_SERVER, DB_USER, DB_PASS, DB_NAME);
        confirm_db_connect();
        return $connection;
    }

    function db_disconnect($connection) {
        if(isset($connection)) {
            mysqli_close($connection);
        }
    }

    function confirm_db_connect() {
        if(mysqli_connect_errno()) {
            $msg = "Database connection failed: ";
            $msg .= mysqli_connect_error();
            $msg .= " (" . mysqli_connect_errno() . ")";
            exit($msg);
        }
    }

    function confirm_result_set($result_set) {
        if (!$result_set) {
            exit("Database query failed.");
        }
    }
    function is_post_request() {
        return $_SERVER['REQUEST_METHOD'] == 'POST';
    }

    function is_get_request() {
        return $_SERVER['REQUEST_METHOD'] == 'GET';
    }
    ?>