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Re: Nested PHP [message #184866 is a reply to message #184863]

Wed, 12 February 2014 10:13

adrian
Messages: 27
Registered: December 2012

Karma:

Junior Member

Jerry Stuckle <jstucklex(at)attglobal(dot)net> wrote:

> On 2/11/2014 7:41 PM, Peter H. Coffin wrote:
>> On Tue, 11 Feb 2014 09:27:54 -0500, Jerry Stuckle wrote:
>>> On 2/11/2014 9:14 AM, Peter H. Coffin wrote:
>>>> On Mon, 10 Feb 2014 16:51:37 -0500, Jerry Stuckle wrote:
>>>> > On 2/10/2014 4:44 PM, Adrian Tuddenham wrote:
>>>> >> I was using a browser to view it, but the source code was coming from a
>>>> >> php program, not directly from a file on the server.
>>>> >>
>>>> >>
>>>> >
>>>> > Anything output by a PHP program is sent directly to the client. It is
>>>> > not processed (again) by the web server, so the php code you generate
>>>> > will never be processed.
>>>> >
>>>> > The browser will see exactly what you sent - nothing more, nothing less.
>>>>
>>>> Right.
>>>>
>>>> Hmm... Might be worth trying writing to a temporary file, include()ing
>>>> it, then cleaning up at the end of the script. It's a LITTLE
>>>> complicated, but...
>>>>
>>>
>>> And subject to all kinds of problems - such as concurrency with others
>>> requesting the same page, getting rid of old copies, having to redirect
>>> the browser to the temporary file, the user bookmarking the temporary
>>> file... and probably several others.
>>
>> I think those are surmountable, with proper planning. Generating a
>> guaranteed unique filename for the temporary file is essentially a
>> solved problem, for example.
>>
>> The big question, though, is why can't this be solved WITHOUT the clunky
>> mechanism. It almost smells richard-ish...
>>
>
> That takes care of the concurrency problem - but that's all it takes
> care of. When do you delete the file, for instance? Or what if the
> user bookmarks the file?

How do you delete the file? I have tried a few 'obvious' (obvious to
me, that is) methods, but they don't seem to work. I initially tried
going down the temporary file route, but my inability to find a way of
deleting the files was one reason why I abandoned it.

> But I also agree with you it sounds almost richard-ish.

Sorry if my beginner's questions sound like that, but I have started
trying to teach myself php from a position of almost complete ignorance,
especially in the way servers work. My previous experience of using a
'server', if you can call it that, was programming in AlgolW under
Multics on an ICL System 4 mainframe in the 1970s; what little
programming I have done since then has been on desktop machines.

There are plenty of references to php on the Web, but using them to
learn a programming language is like trying to learn to drive a car by
reading detailed descriptions of the clutch pedal, the brake pedal and
the accelerator pedal.

I feet I needed to read through a selection of easy-to-follow examples
of how real programmers solve real (straightforward) problems in the
world of php - but as these don't seem to be available in any sort of
collected form, I have turned to this group for guidance.

--
~ Adrian Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk

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[Message index]

		Nested PHP By: adrian on Mon, 10 February 2014 20:24
		Re: Nested PHP By: Jerry Stuckle on Mon, 10 February 2014 20:56
		Re: Nested PHP By: adrian on Mon, 10 February 2014 21:44
		Re: Nested PHP By: Jerry Stuckle on Mon, 10 February 2014 21:51
		Re: Nested PHP By: Peter H. Coffin on Tue, 11 February 2014 14:14
		Re: Nested PHP By: Jerry Stuckle on Tue, 11 February 2014 14:27
		Re: Nested PHP By: Peter H. Coffin on Wed, 12 February 2014 00:41
		Re: Nested PHP By: Jerry Stuckle on Wed, 12 February 2014 01:03
		Re: Nested PHP By: adrian on Wed, 12 February 2014 10:13
		Re: Nested PHP By: Tim Streater on Wed, 12 February 2014 10:33
		Re: Nested PHP By: Jerry Stuckle on Wed, 12 February 2014 11:30
		Re: Nested PHP By: adrian on Wed, 12 February 2014 12:52
		Re: Nested PHP By: The Natural Philosoph on Wed, 12 February 2014 13:11
		Re: Nested PHP By: Denis McMahon on Thu, 13 February 2014 06:55
		Re: Nested PHP By: Peter H. Coffin on Thu, 13 February 2014 18:02
		Re: Nested PHP By: Stefan+Usenet on Wed, 12 February 2014 12:14
		Re: Nested PHP By: The Natural Philosoph on Mon, 10 February 2014 22:09
		Re: Nested PHP By: Christoph Michael Bec on Mon, 10 February 2014 22:23
		Re: Nested PHP By: Tim Streater on Mon, 10 February 2014 22:27
		Re: Nested PHP By: Geoff Muldoon on Mon, 10 February 2014 22:30
		Re: Nested PHP By: Denis McMahon on Mon, 10 February 2014 23:06
		Re: Nested PHP By: Jerry Stuckle on Tue, 11 February 2014 01:46
		Re: Nested PHP By: adrian on Tue, 11 February 2014 10:11
		Re: Nested PHP By: Tim Streater on Tue, 11 February 2014 11:17
		Re: Nested PHP By: adrian on Tue, 11 February 2014 12:01
		Re: Nested PHP By: Tim Streater on Tue, 11 February 2014 12:45
		Re: Nested PHP By: Christoph Michael Bec on Tue, 11 February 2014 12:55
		Re: Nested PHP By: Denis McMahon on Tue, 11 February 2014 13:29
		Re: Nested PHP By: adrian on Tue, 11 February 2014 14:31
		Re: Nested PHP By: Denis McMahon on Tue, 11 February 2014 17:24
		Re: Nested PHP By: Jerry Stuckle on Tue, 11 February 2014 13:15
		Re: Nested PHP By: adrian on Tue, 11 February 2014 14:31
		Re: Nested PHP By: Jerry Stuckle on Tue, 11 February 2014 15:10
		Re: Nested PHP By: adrian on Tue, 11 February 2014 15:31
		Re: Nested PHP By: Jerry Stuckle on Tue, 11 February 2014 16:24
		Re: Nested PHP By: adrian on Wed, 12 February 2014 10:13
		Re: Nested PHP By: Jerry Stuckle on Wed, 12 February 2014 11:33
		Re: Nested PHP By: Ben Bacarisse on Tue, 11 February 2014 15:26
		Re: Nested PHP By: Ben Bacarisse on Tue, 11 February 2014 14:41
		Re: Nested PHP By: adrian on Tue, 11 February 2014 15:31
		Re: Nested PHP By: Ben Bacarisse on Tue, 11 February 2014 15:53
		Re: Nested PHP By: Jerry Stuckle on Tue, 11 February 2014 16:26
		Re: Nested PHP By: bill on Tue, 11 February 2014 12:12
		Re: Nested PHP By: Mr Oldies on Wed, 12 February 2014 14:33
		Re: Nested PHP By: Denis McMahon on Thu, 13 February 2014 06:47
		Re: Nested PHP By: Scott Johnson on Thu, 13 February 2014 13:01
		Re: Nested PHP By: Evan Platt on Fri, 14 February 2014 15:19
		Re: Nested PHP By: Scott Johnson on Fri, 14 February 2014 18:43
		Re: Nested PHP By: Arno Welzel on Sun, 02 March 2014 14:54
		Re: Nested PHP By: adrian on Sun, 02 March 2014 18:10
		Re: Nested PHP By: The Natural Philosoph on Mon, 03 March 2014 11:38
		Re: Nested PHP By: Arno Welzel on Mon, 17 March 2014 14:26
		Re: Nested PHP By: Jerry Stuckle on Mon, 17 March 2014 14:52
		Re: Nested PHP By: The Natural Philosoph on Mon, 17 March 2014 15:33
		Re: Nested PHP By: Peter H. Coffin on Mon, 17 March 2014 22:10
		Re: Nested PHP By: The Natural Philosoph on Mon, 17 March 2014 23:01
		Re: Nested PHP By: Christoph Michael Bec on Mon, 17 March 2014 23:31
		Re: Nested PHP By: The Natural Philosoph on Tue, 18 March 2014 13:10
		Re: Nested PHP By: Gabriel on Mon, 17 March 2014 15:18

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