Example 1: add theme support wordpress
add_theme_support( 'starter-content', array(
// Place widgets in the desired locations (such as sidebar or footer).
// Example widgets: archives, calendar, categories, meta, recent-comments, recent-posts,
// search, text_business_info, text_about
'widgets' => array( 'sidebar-1' => array( 'search', 'categories', 'meta'), ),
// Specify pages to create, and optionally add custom thumbnails to them.
// Note: For thumbnails, use attachment symbolic references in {{double-curly-braces}}.
// Post options: post_type, post_title, post_excerpt, post_name (slug), post_content,
// menu_order, comment_status, thumbnail (featured image ID), and template
'posts' => array( 'home', 'about', 'blog' => array( 'thumbnail' => '{{image-cafe}}' ), ),
// Create custom image attachments used as post thumbnails for pages.
// Note: You can reference these attachment IDs in the posts section above. Example: {{image-cafe}}
'attachments' => array( 'image-cafe' => array( 'post_title' => 'Cafe', 'file' => 'assets/images/cafe.jpg' ), ),
// Assign options defaults, such as front page settings.
// The 'show_on_front' value can be 'page' to show a specified page, or 'posts' to show your latest posts.
// Note: Use page ID symbolic references from the posts section above wrapped in {{double-curly-braces}}.
'options' => array( 'show_on_front' => 'page', 'page_on_front' => '{{home}}', 'page_for_posts' => '{{blog}}', ),
// Set the theme mods.
'theme_mods' => array( 'panel_1' => '{{about}}' ),
// Set up nav menus.
'nav_menus' => array( 'top' => array( 'name' => 'Top Menu', 'items' => array( 'link_home', 'page_about', 'page_blog' )), ),
) );
Example 2: add_theme_support
$defaults = array(
'default-image' => '',
'default-preset' => 'default', // 'default', 'fill', 'fit', 'repeat', 'custom'
'default-position-x' => 'left', // 'left', 'center', 'right'
'default-position-y' => 'top', // 'top', 'center', 'bottom'
'default-size' => 'auto', // 'auto', 'contain', 'cover'
'default-repeat' => 'repeat', // 'repeat-x', 'repeat-y', 'repeat', 'no-repeat'
'default-attachment' => 'scroll', // 'scroll', 'fixed'
'default-color' => '',
'wp-head-callback' => '_custom_background_cb',
'admin-head-callback' => '',
'admin-preview-callback' => '',
);
add_theme_support( 'custom-background', $defaults );