Files: wp-includes/class-http.php

Match redirect behaviour to browser handling.

Validate redirected URLs.

Tests which transports are capable of supporting the request.

Dispatches a HTTP request to a supporting transport.

Uses the POST HTTP method.

Send an HTTP request to a URI.

Parses the responses and splits the parts into headers and body.

Transforms header string into an array.

Takes the arguments for a ::request() and checks for the cookie array.

Decodes chunk transfer-encoding, based off the HTTP 1.1 specification.

Determines whether an HTTP API request to the given URL should be blocked.

Converts a relative URL to an absolute URL relative to a given URL.

Handles an HTTP redirect and follows it if appropriate.

Normalizes cookies for using in Requests.