Vývoj

Při vývoji nebo hledání chyb je možné v souboru wp-config.php změnit nastavení WP_DEBUG:

• define('WP_DEBUG', true);
  @ini_set('display_errors', 1);

Generátory kódu:

• https://generatewp.com/generator (all)
• http://wppb.me (plugin)
• http://jeremyhixon.com/tool/wordpress-meta-box-generator (metabox/field)
  • http://jeremyhixon.com/tool/wordpress-meta-box-generator-v2-beta (metabox/field)
• http://jeremyhixon.com/tool/wordpress-option-page-generator (option page)

Příklady použití:

• Function Reference/query posts
• Template Tags/get posts

  • <?php
      $args = array(
        'posts_per_page' => 1,
        'post_type'=> 'page',
        'p' => 453 // Page ID
    );
      $myposts = get_posts($args);
      foreach ($myposts as $post) : setup_postdata($post);
        the_title();
        the_content();
      endforeach;
      wp_reset_postdata();
    ?>

• Function Reference/the title

• • <?php the_title('<h3>', '</h3>'); ?>

• Function Reference/the widget

  • <?php
      if (is_page('24')) {
        the_widget('WP_Widget_Categories', 'count=1');
      }
    ?>

• Function Reference/get template part
• Function Reference/post class
• Function Reference/get the post thumbnail

  • get_the_post_thumbnail($post_id, 'thumbnail');      // Thumbnail
    get_the_post_thumbnail($post_id, 'medium');         // Medium resolution
    get_the_post_thumbnail($post_id, 'large');          // Large resolution
    get_the_post_thumbnail($post_id, 'full');           // Original resolution

• Post Types
• Formatting Date and Time
• ...
• Customizer Improvements in 4.0 
  • Theme Customization API
• A more powerful ORDER BY in WordPress 4.0 
  • Class Reference/WP Query