MAIL -> boolean delheader ( [ string name ] ) Return TRUE if has been successfully deleted, FALSE if not. Example:
$m = new MAIL; // add headers $m->AddHeader('X-Whatever', 'first value'); $m->AddHeader('X-Whatever', 'second value'); // delete only "X-Whatever" header name entries $m->DelHeader('X-Whatever'); // delete all headers $m->DelHeader();