Carview!

Used by	Description
wp_get_theme_preview_path()`wp-includes/theme-previews.php`	Filters the blog option to return the path for the previewed theme.
WP_Theme::get_post_templates()`wp-includes/class-wp-theme.php`	Returns the theme’s post templates.
wp_get_themes()`wp-includes/theme.php`	Returns an array of WP_Theme objects based on the arguments.
WP_Theme::get_stylesheet_directory()`wp-includes/class-wp-theme.php`	Returns the absolute path to the directory of a theme’s “stylesheet” files.
WP_Theme::exists()`wp-includes/class-wp-theme.php`	Determines whether the theme exists.

WP_Theme::errors(): WP_Error|false