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Re: header function [message #172167 is a reply to message #172166]

Wed, 02 February 2011 13:56

Jerry Stuckle
Messages: 2598
Registered: September 2010

Karma:

Senior Member

On 2/2/2011 8:49 AM, Bill B wrote:
> On 2/2/2011 8:10 AM, Jerry Stuckle wrote:
>> On 2/2/2011 7:38 AM, Bill B wrote:
>>> On 2/2/2011 7:23 AM, Jerry Stuckle wrote:
>>>> On 2/2/2011 7:16 AM, 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?
>>>> >
>>>> > 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?
>>>> >
>>>> > Thank you,
>>>> >
>>>> > Bill B
>>>>
>>>> How is an external script going to trigger a header call? HTTP is a
>>>> request/response protocol; you can't "push" data to the client.
>>>>
>>>
>>> It is a "listener" script, waiting for data to be sent from another
>>> source, PayPal in this case.
>>>
>>> Bill B
>>
>> That doesn't matter. The question is - how is this script going to send
>> a Location: header (or any other data) without a request from the client?
>>
>
> The request is received from PayPal. Related information...this same
> listener script a) receives data from PayPal, b) sends data back top
> PayPal, then c) receives validation from PayPal (or not, depending). The
> script is successfully causing the data received from PayPal to be
> written to a MySQL database. So the script is executing.
>
> Bill B
>
> P.S. to Erwin, thank you, still processing the information, appreciate
> the help.

But this is not the script which was building a page for the browser!

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Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
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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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