PHP回声输出没有延迟？

Question

Quick and dirty: Is it possible to let php send each output back to the browser immediately? Right now when I run it it seems to either wait for different tranches to be filled or for the script to be completely executed.

If so, does it compromise performance?

Answer 1

You can use flush(), but whether it'll do anything is up to other parts of your stack - web server, any caching servers, etc.