Warning: constants are already defined (ALLOWED_DIMS, AR, ALLOWED_DIMS_EXCEPT_AR, WIDTHS)

Hello!

I`m using:

Moodle 3.11
PHP:8.0
filter_jsxgraph v1.4.6

Here`s my error log: Type: Warning Error message: Constant ALLOWED_DIMS already defined File: /moodle_path/filter/jsxgraph/filter.php Line: 411

There are same errors with constants:

ALLOWED_DIMS
AR
ALLOWED_DIMS_EXCEPT_AR
WIDTHS

I tried to preview quiz question, which uses jsgraph filter. During page rendering, function, described below, has been called several times:

    private function get_board_html(...) 
    {
        ...
        define('ALLOWED_DIMS', ["aspect-ratio", "width", "height", "max-width", "max-height"]);
        define('AR', "aspect-ratio");
        define('ALLOWED_DIMS_EXCEPT_AR', ["width", "height", "max-width", "max-height"]);
        define('WIDTHS', ["width", "max-width"]);
        ...

So on it`s second call function tries to define some global constants, that were already defined at previous call. This causes an error.

My suggestion is to move these constants to the class context. #38

jsxgraph / moodle-filter_jsxgraph

Warning: constants are already defined (ALLOWED_DIMS, AR, ALLOWED_DIMS_EXCEPT_AR, WIDTHS) #37