WordPress: Apply filter/hook to a particular sidebar widgets?

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I’m developing a theme that has more than 5 different sidebars and I want to apply a function to a particular one of them for styling purposes. Basically, the function will modify it’s params using a counter to show random ‘s between each of the widgets. I came up with that: 

function widget_params( $params ) { 
    // ...
}
add_filter( 'dynamic_sidebar_params', 'widget_params' );

But however, it will run for each and every different sidebar. Is there any way to make it work only on a particular sidebar? Or alternatively, is there any way to get current widget’s sidebar id inside of that function?

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Hope all of that makes sense.

Thanks in advance!

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1 comment

  1. I’d recommend creating a custom hook and placing it in the appropriate sidebar template. See do_action for more information. Use the following line in the sidebar template:

    <?php do_action('custom_sidebar_action', 9999); //Replace X with the sidebar ID parameter you want to pass to the function. ?>

    Then, in your functions, modify your code to be something like the following (Just coding from memory, so might take some finessing):

    function my_widget_function( $sidebar_id ) { 
    // ...
}
add_action('custom_sidebar_action', 'my_widget_function', 10, 1);

    With this method, I’m guessing you could get away without passing the sidebar ID, so the cleaner function would look like this:

    <?php do_action('custom_sidebar_action'); ?>

    Then:

    function my_widget_function() { 
    // ...
}
add_action('custom_sidebar_action', 'my_widget_function');