How to exclude categories from the WordPress category widget

if you need to exclude some categories from the WordPress category widget which finds it as a default WordPress widget you can do it in just one minute using this code snippet.

Steps to exclude categories from the WordPress category widget:

1. Open the WordPress admin panel then go to Appearance > Theme Editor
2. Open theme functions.php file, if you work localhost open the same file using any code editor IDE
3. Add the following code at the bottom of the file.
4. Save the changes.

function zytheme_exclude_widget_categories($args){

    $exclude = "1,4,8,57,80"; //Add your category ids here
    $args["exclude"] = $exclude;
    return $args;
}
add_filter("widget_categories_args","zytheme_exclude_widget_categories"); 

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