(PECL event >= 1.4.0-beta)
EventHttpRequest::addHeader — Adds an HTTP header to the headers of the request
$key
,
string
$value
,
int
$type
) : boolAdds an HTTP header to the headers of the request.
key
Header name.
value
Header value.
type
One of
EventHttpRequest::*_HEADER constants
.
成功时返回 true， 或者在失败时返回 false。