(PECL event >= 1.4.0-beta)
EventHttpRequest::addHeader — Adds an HTTP header to the headers of the request
$key
   
   , 
    string
     $value
   
   , 
    int
     $type
   
   )Adds an HTTP header to the headers of the request.
key
    Header name.
value
    Header value.
type
    One of EventHttpRequest::*_HEADER constants .
   Returns TRUE on success. Otherwise FALSE.