THttpHeaders.GetIfExists Method
Retrieves the value of the named header if it exists.
Syntax
Unit: Sparkle.Http.Headers
function THttpHeaders.GetIfExists(const HeaderName: string; var HeaderValue: string): Boolean;Parameters
| <-> | Parameter | Type | Description |
|---|---|---|---|
| const | HeaderName | string | The header name to look up (case-insensitive). |
| var | HeaderValue | string | Receives the header value when the header exists. |
Returns
True if the header exists and HeaderValue was set; otherwise False.