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1. 1. Which AJAX action invokes the generic filter handler?

   Which AJAX action invokes the generic filter handler?

   lubinik_filter filter_panel_html wp_query lubinik_save_post
   Hint

   Trace the core contract, addon callback, and request lifecycle.

2. 2. Why are wp_ajax and wp_ajax_nopriv both registered?

   Why are wp_ajax and wp_ajax_nopriv both registered?

   To bypass the nonce To run the handler twice Filtering is available to signed-in and anonymous visitors To create two databases
   Hint

   Trace the core contract, addon callback, and request lifecycle.

3. 3. What does check_ajax_referer verify?

   What does check_ajax_referer verify?

   The user capability to edit posts The lubinik_filter_action nonce sent as lubinik_filter_nonce The post type exists The theme is active
   Hint

   Trace the core contract, addon callback, and request lifecycle.

4. 4. How does core learn the addon post type and filter definitions?

   How does core learn the addon post type and filter definitions?

   By hard-coding BnB constants From CSS Through lubinik/filters/config From the current username
   Hint

   Trace the core contract, addon callback, and request lifecycle.

5. 5. What are the default post type and page size without addon config?

   What are the default post type and page size without addon config?

   post and 12 page and 100 attachment and 1 user and 20
   Hint

   Trace the core contract, addon callback, and request lifecycle.

6. 6. How is the requested page normalized?

   How is the requested page normalized?

   No normalization absint with a minimum of 1 sanitize_email esc_html only
   Hint

   Trace the core contract, addon callback, and request lifecycle.

7. 7. What does enabled_key do in a filter definition?

   What does enabled_key do in a filter definition?

   Defines the taxonomy table Connects that filter to a settings toggle Creates JavaScript Encrypts the query
   Hint

   Trace the core contract, addon callback, and request lifecycle.

8. 8. How are term values sanitized when field is term_id?

   How are term values sanitized when field is term_id?

   With esc_url With absint With wp_kses_post They are not sanitized
   Hint

   Trace the core contract, addon callback, and request lifecycle.

9. 9. How are non-ID taxonomy values sanitized?

   How are non-ID taxonomy values sanitized?

   With wp_create_nonce With filemtime With floatval With sanitize_text_field
   Hint

   Trace the core contract, addon callback, and request lifecycle.

10. 10. Which WP_Query meta type is used for int and float filters?

    Which WP_Query meta type is used for int and float filters?

    NUMERIC BINARY UNSIGNED SQL only DATE always
    Hint

    Trace the core contract, addon callback, and request lifecycle.

11. 11. How is a supplied minimum and maximum represented?

    How is a supplied minimum and maximum represented?

    Two CPTs A rewrite endpoint A BETWEEN meta_query clause A taxonomy NOT IN
    Hint

    Trace the core contract, addon callback, and request lifecycle.

12. 12. Why merge base_tax_query and base_meta_query?

    Why merge base_tax_query and base_meta_query?

    To register terms To preserve mandatory domain constraints alongside visitor filters To disable addon rules To replace pagination
    Hint

    Trace the core contract, addon callback, and request lifecycle.

13. 13. Which relation is added when none is supplied?

    Which relation is added when none is supplied?

    AND NOT OR always XOR
    Hint

    Trace the core contract, addon callback, and request lifecycle.

14. 14. When does lubinik/filters/args run?

    When does lubinik/filters/args run?

    After JSON is sent Before nonce verification After generic args are built but before WP_Query During plugin activation
    Hint

    Trace the core contract, addon callback, and request lifecycle.

15. 15. What can lubinik/filters/posts change?

    What can lubinik/filters/posts change?

    The AJAX nonce The plugin filesystem The posts returned by the completed WP_Query The PHP version
    Hint

    Trace the core contract, addon callback, and request lifecycle.

16. 16. What should lubinik/filters/render return?

    What should lubinik/filters/render return?

    Only a nonce A shortcode registry An array with html and pagination_html A database connection
    Hint

    Trace the core contract, addon callback, and request lifecycle.

17. 17. What happens if addon render HTML is empty?

    What happens if addon render HTML is empty?

    The theme is switched Core builds a generic linked list and pagination The request always fails All posts are deleted
    Hint

    Trace the core contract, addon callback, and request lifecycle.

18. 18. Which response values are returned on success?

    Which response values are returned on success?

    PHP callbacks Filesystem paths Raw SQL and password HTML, pagination HTML, and found post count
    Hint

    Trace the core contract, addon callback, and request lifecycle.

19. 19. How does the filter script receive ajax_url, nonce, action, and selectors?

    How does the filter script receive ajax_url, nonce, action, and selectors?

    They are CSS variables wp_localize_script creates lubinik_filters_ajax They are hard-coded in every addon It reads wp-config.php
    Hint

    Trace the core contract, addon callback, and request lifecycle.

20. 20. Why does the filter panel call request_assets()?

    Why does the filter panel call request_assets()?

    To set the loading flag and let addons enqueue their UI dependencies To save settings To run the AJAX query immediately To flush rewrites
    Hint

    Trace the core contract, addon callback, and request lifecycle.