(PECL pecl_http >= 1.5.0)
HttpMessage::fromEnv — Create HttpMessage from environment
$message_type
[, string $class_name
= "HttpMessage"
] )Create an HttpMessage object from script environment.
message_type
The message type. See HttpMessage type constants.
class_name
a class extending HttpMessage
Returns an HttpMessage object on success or NULL
on failure.