Documentation and API source code for Backdrop CMS.
Contains classes and interfaces related to implementing alternative HTTP
request systems. By default, backdrop_http_request() will execute its own
requests, but this can be replaced by an alternative system if desired by
specifying an alternative in settings.php:
The specified class may either be loaded via the autoloader through
hook_autoload_info(), or may be included directly in settings.php. Any
alternative HTTP systems should implement the BackdropHTTPSystemInterface