howto: cp/wp - coding how-tos           rev 17 jul 2019

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how-tos

  * How to retrieve the slug of current page?
      A lot of different ways.
      https://wordpress.stackexchange.com/questions/42117/how-to-retrieve-the-slug-of-current-page

      $post->post_name;

      Function to retrieve query object! 
        get_queried_object - below.

  * Navigation
      Simple WordPress Snippets to Enhance Your Secondary Navigation
        https://speckyboy.com/wordpress-snippets-secondary-navigation/

  * WordPress Theme Stylesheet Auto-Cachebusting

      "One method to force browsers to pull the new version is to
      add/change the ver parameter in the query string (WordPress’
      wp_register_script, wp_register_style, wp_enqueue_script,
      and wp_enqueue_style have a built-in way of doing this)."

      For twentyseventten can do manually like this:
          where it has:
          wp_enqueue_style( 'stylesheet', get_stylesheet_uri() ), MY_THEME_VERSION );
          do this:
          wp_enqueue_style( 'stylesheet', get_stylesheet_uri(), array(), '1' );
          stylesheet URL will be like: 
            https://mydomain.com/wp-content/themes/my-theme/style.css?ver=1

      more at:
        https://andrewrminion.com/2018/02/wordpress-theme-stylesheet-auto-cachebusting/
        9 feb 2018

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useful functions and tips:

  * get_queried_object()
      Retrieves the entire currently-queried object
      so ...
        if on a post, will return that post object.
        if on a page, will return that page object.
        if on an archive page, will return the post type object.
        if on a category archive, will return the category object.
        custom post type single or archive -- will return ...
        etc.
      Have to call it after the query, e.g., after the_content().

        https://wpshout.com/get_queried_object-how-and-why-to-use-it-with-examples/
            Explanation and lots of examples and practical uses.
            [11 jun 2019]
        https://codex.wordpress.org/Function_Reference/get_queried_object
        https://developer.wordpress.org/reference/functions/get_queried_object/


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resources:

  * 120 Cheatsheets
      https://www.codeinwp.com/blog/wordpress-cheat-sheets-web-development-design/
      [updated 11 may 2019 - but some links nowork]


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