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The widget_tag_cloud_args hook is a WordPress filter that allows developers to modify the arguments passed to the wp_tag_cloud() function when generating a tag cloud widget.

The wp_tag_cloud() function is used to display a tag cloud on a WordPress website. It takes a set of arguments that control the appearance and behavior of the tag cloud. By default, these arguments include things like the minimum and maximum font sizes for the tags, the number of tags to display, and the taxonomy to retrieve tags from.

However, with the widget_tag_cloud_args hook, developers can override these default arguments and customize the tag cloud widget according to their needs. They can modify any or all of the arguments passed to wp_tag_cloud(), such as changing the font sizes, limiting the number of tags, or even selecting a different taxonomy to retrieve tags from.

Example Usage:

Let’s say you want to modify the tag cloud widget on your WordPress site to display tags only from a specific taxonomy called "genre" and limit the number of tags to ten. You can achieve this by adding the following code to your theme’s functions.php file:

function custom_widget_tag_cloud_args($args) {
    $args['taxonomy'] = 'genre';
    $args['number'] = 10;
    return $args;
add_filter( 'widget_tag_cloud_args', 'custom_widget_tag_cloud_args' );

In this example, we define a custom function called custom_widget_tag_cloud_args() that takes the arguments array as a parameter. Inside the function, we modify the ‘taxonomy’ argument to ‘genre’ and the ‘number’ argument to 10. Finally, we return the modified arguments array.

By using the add_filter() function and specifying the widget_tag_cloud_args hook, we hook our custom function into the tag cloud widget and override the default arguments. As a result, the tag cloud widget will now display tags only from the "genre" taxonomy and limit the number of tags to ten.

Remember, the widget_tag_cloud_args hook provides developers with the flexibility to customize the tag cloud widget by modifying the arguments passed to wp_tag_cloud(). It’s a powerful tool that allows you to tailor the tag cloud widget to suit your specific requirements.

Learn More on WordPress.org

WordPress snippets using the widget_tag_cloud_args hook

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