WP_Font_Library Font Library class.
WP_Font_Face_Resolver The Font Face Resolver abstracts the processing of different data sources
WP_Widget_Factory Singleton that registers and instantiates WP_Widget classes.
WP_Http_Streams Core class used to integrate PHP Streams as an HTTP transport.
WP_HTTP_Fsockopen Deprecated HTTP Transport method which used fsockopen.
WP_Customize_Widgets Customize Widgets class.
POP3 mail_fetch/setup.php
WP_Http Core class used for managing HTTP transports and making HTTP requests.
WP_Taxonomy Core class used for interacting with taxonomies.
WP_Post_Type Core class used for interacting with post types.
WP_User Core class used to implement the WP_User object.
WP_HTTP_Response Core class used to prepare HTTP responses.
WP_Role Core class used to extend the user roles API.
WP_Paused_Extensions_Storage Core class used for storing paused extensions.
_WP_Dependency Class _WP_Dependency
Walker_PageDropdown Core class used to create an HTML drop-down list of pages.
WP_Block_Type Core class representing a block type.
WP_Feed_Cache Core class used to implement a feed cache.
WP_Image_Editor_Imagick WordPress Image Editor Class for Image Manipulation through Imagick PHP Module
WP_Block_Patterns_Registry Class used for interacting with block patterns.
WP_Widget_Block Core class used to implement a Block widget.
WP_Widget_Tag_Cloud Core class used to implement a Tag cloud widget.
WP_Widget_Archives Core class used to implement the Archives widget.
WP_Widget_Meta Core class used to implement a Meta widget.
WP_Widget_Media Core class that implements a media widget.
WP_Widget_Recent_Posts Core class used to implement a Recent Posts widget.
WP_Widget_Links Core class used to implement a Links widget.
WP_Widget_Search Core class used to implement a Search widget.
WP_Widget_Pages Core class used to implement a Pages widget.
WP_Widget_Custom_HTML Core class used to implement a Custom HTML widget.
WP_Widget_Categories Core class used to implement a Categories widget.
WP_Widget_Media_Gallery Core class that implements a gallery widget.
WP_Widget_Recent_Comments Core class used to implement a Recent Comments widget.
WP_Nav_Menu_Widget Core class used to implement the Navigation Menu widget.
WP_Widget_Media_Image Core class that implements an image widget.
WP_Widget_Calendar Core class used to implement the Calendar widget.
WP_Widget_RSS Core class used to implement a RSS widget.
WP_Widget_Text Core class used to implement a Text widget.
WP_Widget_Media_Video Core class that implements a video widget.
WP_Widget_Media_Audio Core class that implements an audio widget.
WP_REST_Template_Revisions_Controller Core class used to access template revisions via the REST API.
WP_REST_Font_Collections_Controller Font Library Controller class.
WP_REST_Posts_Controller Core class to access posts via the REST API.
WP_REST_Block_Patterns_Controller Core class used to access block patterns via the REST API.
WP_REST_Post_Types_Controller Core class to access post types via the REST API.
WP_REST_Block_Renderer_Controller Controller which provides REST endpoint for rendering a block.
WP_REST_Controller Core base controller for managing and interacting with REST API items.
WP_REST_Widget_Types_Controller Core class to access widget types via the REST API.
WP_REST_Template_Autosaves_Controller Core class used to access template autosaves via the REST API.
WP_REST_Plugins_Controller Core class to access plugins via the REST API.