I want to use the plug Dashboard Widget Order. Unfortunately, something is wrong

Hello,

I want to use the plug Dashboard Widget Order. Unfortunately, something is wrong

I opened the file:
... And I see only this:

/ / Change the order of the widgets here

$ dashboard_widgets_order [' normal' ] [' core' ] [] = ' dashboard_right_now ';
$ dashboard_widgets_order [' normal' ] [' core' ] [] = ' dashboard_activity ';
$ dashboard_widgets_order [' normal' ] [' default' ] [] = ' dashboard_incoming_links ';

$ dashboard_widgets_order [' side' ] [' core' ] [] = ' dashboard_quick_press ';
$ dashboard_widgets_order [' side' ] [' default' ] [] = ' dashboard_primary ';

$ dashboard_widgets_order [' column3 '] [ 'high '] [] = ' dashboard_secondary ';

$ dashboard_widgets_order [' column4 '] [ 'high '] [] = ' dashboard_plugins ';
/ / Change this if you update the widget order and want all users to have
/ / The new order instead of just new users .
/ / Note that this will overwrite the custom widget users have order
/ / Configured .
$ dashboard_widgets_order_hash = ' m9c0u203b9u0338u10zxnm1lm ';

/ / ------------------------------------------------ ------------------------ / /
/ / --- Hook -------------------------------------------- --------------------- / /
/ / ------------------------------------------------ ------------------------ / /
add_action ( ' init ', ' dashboard_widgets_order ');
/ / ------------------------------------------------ ------------------------ / /
/ / --- Functions -------------------------------------------- ---------------- / /
/ / ------------------------------------------------ ------------------------ / /

How to use this plugin ?...