How to use disable_categories_dropdown filter in WordPress

As a WordPress developer in India, I’ve often found myself tweaking WordPress to fit the unique needs of my projects. One way to do this is by using WordPress hooks, and today, let’s dive into the disable_categories_dropdown filter. This hook is perfect when you want to disable the ‘Categories’ drop-down from the post list table. So, how do you use it? Let me walk you through it with some live examples.

Example 1: Basic Usage of disable_categories_dropdown Filter

This example demonstrates how you can modify the default behavior of the categories drop-down based on your website’s requirements.

    function weplugins_modify_disable_categories_dropdown_defaults($disable, $post_type) { 
        // Update the $disable variable according to your website requirements and return this variable. 
        // You can modify the $disable variable conditionally too if you want.
        return $disable; 
    }
    // Add the filter
    add_filter( "disable_categories_dropdown", "weplugins_modify_disable_categories_dropdown_defaults", 10, 2 );
    

Example 2: Conditional Logic for Specific Post Type

Let’s say you want to disable the drop-down only for a specific post type, like ‘product’. Here’s how you can do that.

    function weplugins_modify_disable_categories_for_products($disable, $post_type) {
        if($post_type == 'product') {
            $disable = true;
        }
        return $disable;
    }
    add_filter( "disable_categories_dropdown", "weplugins_modify_disable_categories_for_products", 10, 2 );
    

Example 3: Removing the Hook

Sometimes you may need to remove a hook callback. This example shows how to remove the disable_categories_dropdown filter.

    remove_filter( "disable_categories_dropdown", "weplugins_modify_disable_categories_dropdown_defaults", 10, 2 );
    

Ensure you use the same callback function name, priority, and number of arguments while removing the hook callback.

If you’re having any trouble using this hook or need customization, feel free to Contact Us.