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I have a custom post type with a custom taxonomy.

When the custom taxonomy is set to "bar", I want to disable comments with:

wp_update_post(array(
  'ID' => $post->ID,
  'comment_status' => "closed"
));

I think this function triggers the save/update hooks, so I can't trigger this function on those hooks (e.g. save_post_custom_post_type) or it'll be an infinite loop.

I've looked for a hook like updated_post_meta that applies on taxonomy/terms only but no luck.

1 Answer 1

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You can avoid infinite loop by removing the action before calling update post function.

function maybe_disable_comment($post_id) {
    // do you check if the post has specific custom tax term.
    if ( ! has_term( 'bar', 'YOUR_CUSTOM_TAX', $post_id ) ) {
        return false;
    }

    // remove the filter that will create infinite loop.
    remove_action( 'wp_insert_post', 'maybe_disable_comment' );

    // disable comment.
    wp_update_post( array(
       'ID'             => $post_id,
       'comment_status' => "closed"
    ) );

    // add the action again. (so that next post update hook is handled properly)
    add_action( 'wp_insert_post', 'maybe_disable_comment' );
}
add_action('wp_insert_post', 'maybe_disable_comment');

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