PDOException Object
(
    [message:protected] => SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: YES)
    [string:Exception:private] => 
    [code:protected] => 1045
    [file:protected] => /var/www/html/syllabus2019/db/dbfunctions.php
    [line:protected] => 17
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /var/www/html/syllabus2019/db/dbfunctions.php
                    [line] => 17
                    [function] => __construct
                    [class] => PDO
                    [type] => ->
                )

            [1] => Array
                (
                    [file] => /var/www/html/syllabus2019/db/dbqueries.php
                    [line] => 13
                    [function] => __construct
                    [class] => DBFunctions
                    [type] => ->
                )

            [2] => Array
                (
                    [file] => /var/www/html/syllabus2019/revision.php
                    [line] => 4
                    [function] => __construct
                    [class] => DBQueries
                    [type] => ->
                )

        )

    [previous:Exception:private] => 
    [errorInfo] => Array
        (
            [0] => HY000
            [1] => 1045
            [2] => Access denied for user 'root'@'localhost' (using password: YES)
        )

)