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Re: header function [message #172162 is a reply to message #172159]

Wed, 02 February 2011 12:39

Erwin Moller
Messages: 228
Registered: September 2010

Karma:

Senior Member

On 2/2/2011 1:16 PM, Bill B wrote:
> If somepage.php is loaded in a browser, and a script external to
> somepage.php that contains header('Location: somepage.php') is triggered
> by some event, will that call have the effect of refreshing somepage.php?

Bad question. :-)
Let me explain.

Script1: somepage.php

Script2: anotherScript.php
This script contains ONLY header('Location: somepage.php') (for
simplicities sake), so:
<?php
// This is anotherScript.php
header('Location: somepage.php');
exit;
?>

Now, suppose somebody (MrX) has the output of somepage.php in the browser.
And then what happens? (your 'triggered by some event' is a bit vague,
but I think I understand what you mean.)
MrZ now loads anotherScript.php in his browser.
That will result in a header response from the server to the browser.
This response instructs (suggests) the browser of Mr.Z to go to
somepage.php instead.
So Mr.Z will see whatever-it-is-that-somepage.php-produces too.

>
> php.net notes that the "location' string returns a redirect (302) status
> code to the browser. Under these circumstances, the redirect triggered
> by the external script points to the same page currently loaded in the
> browser. Will that choke the browser in any way?
>

I hope this question vanishes after my above explanation.

Regards,
Erwin Moller

> Thank you,
>
> Bill B

--
"That which can be asserted without evidence, can be dismissed without
evidence."
-- Christopher Hitchens

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[Message index]

		header function By: me on Wed, 02 February 2011 12:16
		Re: header function By: Jerry Stuckle on Wed, 02 February 2011 12:23
		Re: header function By: me on Wed, 02 February 2011 12:38
		Re: header function By: Jerry Stuckle on Wed, 02 February 2011 13:10
		Re: header function By: me on Wed, 02 February 2011 13:49
		Re: header function By: Jerry Stuckle on Wed, 02 February 2011 13:56
		Re: header function By: me on Wed, 02 February 2011 14:20
		Re: header function By: me on Wed, 02 February 2011 14:28
		Re: header function By: Jerry Stuckle on Wed, 02 February 2011 13:11
		Re: header function By: Erwin Moller on Wed, 02 February 2011 12:39
		Re: header function By: Denis McMahon on Wed, 02 February 2011 15:23
		Re: header function By: me on Wed, 02 February 2011 16:32

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