You know, this is exactly what happened to me. I was trying to design a
comments page for a weblog to open in a popup. The page had a submission
form that would submit back to itself. 'course, I was banging my head on the
wall trying to come up with a way to get the page to detect whether it had
received a form submission and write the comments to a comment file, and
then include the comment file with the form afterwards. I kept coming up
with the results of fopen(), fputs(), fflush(), and fclose() coming back as
false, which equals failed. I eventually did go to a separate page to do the
file writing, and that page finishes up with a 1-second delay using the
javascript setTimeout() for this command in a standalone function:
echo "location.replace('blogcomments.php?target=".$target."');\n";
Inelegant, but it works. I haven't had too much experience with the header
function, and knowing how long it took me to bang this one out, I might set
something on fire trying it :)
Anyone else had any fun with this issue?
Message-ID: <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Reply-To: "Jack Kelly Dobson" <[EMAIL PROTECTED]>
From: "Jack Kelly Dobson" <[EMAIL PROTECTED]>
Date: Wed, 27 Nov 2002 10:19:30 -0600
Subject: Re: [PHP-WIN] Redirect browser to another URL?
Thanks for all the help guys.
My problem, as most of you figured, is that my script has a form in it that
re-runs itself when the form is submitted so there is only one script
including the form and all the validation for the form. If the validation is
successful it sends you to a different page depending on the information
posted in the form. There was therefore no way I could get the header() to
be at the top of the returned data.
I ended up using:
if ($condition) {
print("<SCRIPT LANGUAGE='JavaScript'>window.location='" . $url .
"'</SCRIPT>");
}
A rather elegant solution I've decided.
Oh, and FYI to all you IIS users out there... (At least I'm assuming it's
IIS and not the Windows platform itself. I'd be interested to know what
Windows users running Apache are experiencing).
I didn't have this problem with my script until I migrated it to a
Linux/Apache platform.
I assume that means that when I was doing it the original way that I had
multiple sets of header information and no telling what else being sent back
to the browser and IIS wasn't producing any error. Anyone using IIS and the
header(location: '') function might want to make sure they aren't exposing
data they didn't mean to.
j-
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