| Re: PHP Sessions and XML [message #178345 is a reply to message #178344] |
Fri, 08 June 2012 01:38   |
Jerry Stuckle
Messages: 2598
Registered: September 2010
Karma:
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Senior Member |
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On 6/7/2012 9:33 PM, Jim Higgins wrote:
> On Thu, 07 Jun 2012 16:04:04 -0400, Jerry Stuckle
> <jstucklex(at)attglobal(dot)net> wrote:
>
>> On 6/7/2012 3:27 PM, Jim Higgins wrote:
>>>
>>> Could someone point me toward a very simple bare bones example of a
>>> PHP script for connecting to a server external to the one running the
>>> PHP script and accepting the small XML file that server will return?
>>> And maybe give me a few PHP keywords I can study for parsing that XML
>>> file?
>>>
>>> The XML file will contain a Session ID. So a few PHP keywords related
>>> to initiating a PHP session using that Session ID would be really
>>> helpful.
>>>
>>> Thank you.
>>
>> These are pretty broad questions, so it's almost impossible to answer
>> them exactly.
>>
>> Some hints - for fetching the page, the simplest way is to just fetch
>> the URL using the file functions. However, your server would have to be
>> configured to allow this (allow_url_fopen set to ON). Also, while this
>> is a simple interface, it is pretty much limited to opening a file for
>> read only - no cookies, etc.
>>
>> A more versatile (but a bit more complicated) way is to fetch the url
>> with the curl functions. Not hard once you've done it a couple of
>> times, but there are a number of options.
>>
>> Once you have the file, if it's a well-formed XML file you can probably
>> use the SimpleXML functions to process it. Again, this is somewhat
>> limited, but relatively easy to use. Another way which is more
>> versatile (and handles non-well-formed documents better) is the DOM
>> classes.
>>
>> For handling the session - impossible to tell from what you're asking.
>> It depends a lot on whether the session id is passed in the file or the
>> URL (and you have to pass it back) or in a cookie (in which case you
>> must use the cURL function). But if you're only fetching one file, you
>> shouldn't have to worry about a session id - it's a single request.
>>
>> Any more detail would be pure conjecture, and would very probably steer
>> you along the wrong path.
>
> Thank you Jerry. It's supposedly a well formed XML file. And just
> the words "DOM classes" scares me. ;-)
>
> But in any case you've given me some things to look into and after
> that if I haven't figured it out I'll at least be able to ask a more
> focused question.
>
> Thanks again.
Ah, the DOM Classes aren't THAT bad! They are just a bit more
complicated than SimpleXML - but provide more functionality.
--
==================
Remove the "x" from my email address
Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
==================
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