Deprecated HTTP Transport method which used fsockopen.
WP_Http_Streams
Core class used to integrate PHP Streams as an HTTP transport.
WP_HTTP_Response
Core class used to prepare HTTP responses.
WP_HTTP_Requests_Response
Core wrapper object for a Requests_Response for standardisation.
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WP_HTTP_Requests_Hooks
Bridge to connect Requests internal hooks to WordPress actions.
WP_HTTP_Proxy
Core class used to implement HTTP API proxy support.
WP_HTTP_IXR_Client
WP_Http_Encoding
Core class used to implement deflate and gzip transfer encoding support for HTTP requests.
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WP_Http_Curl
Core class used to integrate Curl as an HTTP transport.
WP_Http_Cookie
Core class used to encapsulate a single cookie object for internal use.
WP_Hook
Core class used to implement action and filter hook functionality.
WP_Feed_Cache
Core class used to implement a feed cache.
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WP_Feed_Cache_Transient
Core class used to implement feed cache transients.
WP_Fatal_Error_Handler
Core class used as the default shutdown handler for fatal errors.
WP_Error
WordPress Error class.