PDOException Object
(
    [message:protected] => PDO::__construct(): Argument #1 ($dsn) must be a valid data source name
    [string:Exception:private] => 
    [code:protected] => 0
    [file:protected] => C:\Apache24\htdocs\datawise\xdw\php\getCategoryData.php
    [line:protected] => 6
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => C:\Apache24\htdocs\datawise\xdw\php\getCategoryData.php
                    [line] => 6
                    [function] => __construct
                    [class] => PDO
                    [type] => ->
                    [args] => Array
                        (
                            [0] => 
                            [1] => 
                            [2] => SensitiveParameterValue Object

                        )

                )

        )

    [previous:Exception:private] => 
    [errorInfo] => 
)