Classes (category)

Walker{}

A class for displaying various tree-like structures.
Walker_Nav_Menu{}

Core class used to implement an HTML list of nav menu items.
WP_Admin_Bar{}

Core class used to implement the Toolbar API.
WP_Comment_Query{}

Core class used for querying comments.
WP_Date_Query{}

Class for generating SQL clauses that filter a primary query according to date.
WP_Error{}

WordPress Error class.
WP_List_Table{}

Base class for displaying a list of items in an ajaxified HTML table.
WP_List_Util{}

List utility.
WP_Meta_Query{}

Core class used to implement meta queries for the Meta API.
WP_Post_Type{}

Core class used for interacting with post types.
WP_Query{}

The WordPress Query class. Selects posts from the database based on the specified parameters. get_posts(), query_posts() and all other query functions for posts selection from wp_posts table are based on this class.
WP_Rewrite{}

Core class used to implement a rewrite component API.
WP_Sitemaps_Provider{}

Class WP_Sitemaps_Provider.
WP_Term{}

Core class used to implement the WP_Term object.
WP_Term_Query{}

Class used for querying terms.
WP_User{}

Core class used to implement the WP_User object.
WP_Widget_Archives{}

Core class used to implement the Archives widget.
wpdb{}

WordPress database access abstraction class.