-# static bool http\Env::setResponseHeader(string $header_name, [mixed $header_value = NULL[, int $response_code = 0[, bool $replace = true]]]
+# static bool http\Env::setResponseHeader(string $header_name[, mixed $header_value = NULL[, int $response_code = 0[, bool $replace = true]]])
Set a response header, either replacing a prior set header, or appending the new header value, depending on $replace.
If $response_code is not 0, the response status code is updated accordingly.
-## Parameters:
+## Params:
* string $header_name, the name of the response header.
* Optional mixed $header_value, the header value.