Posted by Rasmus Lerdorf on 07/22/05 11:11

Read this chapter of the manual:

http://www.php.net/manual/en/features.connection-handling.php

Liang ZHONG wrote:
> I now encounter a problem with flow control of my program with PHP. This
> is very crucial to the design of a pretty big project. This is what I
> want to do in the program:
>
> <?php
> do_A();
> header("Location: ".$result_of_do_A);
> do_B();
> ?>
>
> Since it takes do_B() quite a while to finish, so I want the http
> client get the partial result from do_A() by redirect a page to them
> before start do_B(). But it seems that the redirection will only occure
> after the entire php program finishes, i.e., after do_B(). I sent http
> request through browser, curl comman line with -N (no buffer) option and
> with a perl LWP program I wrote. All of them suggest that header(),
> although is put before do_B() in code, gets executed only after all the
> php code finished. I add flush() after header() too, but no work.
>
> My question is: Is there any way that I can return to the client though
> http response and then continue my progress with my program?
>
> Thank you very much for your kindly help.
>

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