Release Notes: The class was changed to avoid using POSIX regular expression functions, which are deprecated since PHP 5.3. It also automatically fixes malformed URLs that contain spaces.
Release Notes: This release fixes the HTTP POST requests so they always set the Content-Length header even when no request values are submitted.
Release Notes: This release adds support to disable SASL authentication so it can perform OAuth authorization without prompting for SASL libraries.
Release Notes: This release adds support for returning numeric error codes to let the application treat HTTP access errors according to the type of error. It also fixes the handling of malformed redirection URLs returned by the Location response headers.
Release Notes: This release fixes a bug in the connection to SSL servers that prevented it from working with servers with SSL virtual hosts. It also fixes the setting of the user name when connecting to a server via a SOCKS 4 proxy.
Release Notes: This release fixes a bug in handling cookies due to case sensitive cookie attribute names. It also adds a new function that can read whole HTTP reply body parts in a single call. It also adds support to set the Accept header value to be sent in all request headers, including redirected and authenticated requests. Now it is also possible to dump debug information to a file instead of the script output.