How to use ms_sites_list_table_query_args filter in WordPress

Welcome to the world of WordPress hooks! As a fellow developer, I know how important it is to customize and extend WordPress functionalities without touching the core files. Today, let’s dive into the ms_sites_list_table_query_args filter hook, which is quite handy when working with the site query in the sites list table.

To use the ms_sites_list_table_query_args filter, you need to register it using add_filter. This can be done in the functions.php of your active theme or, even better, in a custom WordPress plugin. This approach ensures your changes remain intact after theme updates.

Let’s explore some live examples to understand its usage better.

Example 1: Modifying Site Query Arguments

In this example, we define a function weplugins_modify_ms_sites_list_table_query_args_defaults which modifies the arguments for the site query.

    function weplugins_modify_ms_sites_list_table_query_args_defaults($args) { 
        // Update the $args variable according to your website requirements and return this variable.
        return $args; 
    }
    // add the filter
    add_filter( "ms_sites_list_table_query_args", "weplugins_modify_ms_sites_list_table_query_args_defaults", 10, 1 );
    

Example 2: Applying the Filter

Here’s a straightforward application of the filter.

    apply_filters( 'ms_sites_list_table_query_args', array $args );
    

Example 3: Removing a Hook Callback

If you need to remove a registered hook, you can use remove_filter as shown below.

    remove_filter( "ms_sites_list_table_query_args", "weplugins_modify_ms_sites_list_table_query_args_defaults", 10, 1 );
    

Please ensure you provide the same callback function name, priority, and number of arguments while removing the hook callback.

Now you have a better understanding of how to work with the ms_sites_list_table_query_args hook. If you have any questions or need further customization, feel free to reach out!

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