The CResponse::flush function send buffered output immediately.
Upon successful completion, zero is returned. Otherwise, a value of non-zero is returned.
This function sends buffered output immediately. This function will cause a run-time error or be ignored if the Buffering has not been set to true.
Differences Between Ch-CGI and Ch-ASP
In Ch-CGI, the output is not buffered by default. In Ch-ASP, the output is buffered by default.
CResponse, CResponse::getBuffer, CResponse::setBuffer