delete_post hook in WordPress not working

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add_action( 'delete_post', 'test_function' );
function test_function(){
    echo "Hello!";
}

The “Hello!” isn’t showing up when I delete a post (It is a custom post-type, but that shouldn’t matter right?). How do I debug this?

EDIT: I can’t put that code in any front-end files like header.php or index.php because I won’t be able to view the output when I delete a post from the back-end. What’s the best way to tackle this?

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Thanks

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1 comment

  1. Try doing the following to see if you are reaching your filter. I tested this here with 3.2.1 and it works fine for me.

    function test_function(){
    die('deleted post');
}

    this action will not run until you delete the post from the trash.
    If you want it to run when you move it to the trash the action is ‘trash_post’.