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session question [message #177665]

Thu, 12 April 2012 16:43

William Gill
Messages: 31
Registered: March 2011

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I have a site with an input form that recursively calls itself via
action="<?php echo $_SERVER['PHP_SELF']; ?>", and a couple links with
url encoded data that indicate simple selections w/o using a form. It
uses different include('file'); statements based on the progress and/or
choices previously made, and it works fine, but is a little complicated
to track "state" when troubleshooting, updating, or changing.

I am thinking of using a session approach which would be simpler to
follow, but have never used sessions on a page that is recursively called.

First since session_start() would be called every iteration, that will
cause an error unless I encapsulate it in an if loop to see if the
session already exists. Is this the preferred method?

Second, when the user is finished and receives an acknowledgement I plan
to call a session_unset() to clear things up so that if they want to do
it again, they are beginning with a clean slate. Again, is this the
preferred method?

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[Message index]

		session question By: William Gill on Thu, 12 April 2012 16:43
		Re: session question By: Scott Johnson on Thu, 12 April 2012 16:56
		Re: session question By: M. Strobel on Thu, 12 April 2012 17:43
		Re: session question By: M. Strobel on Thu, 12 April 2012 17:59
		Re: session question By: Captain Paralytic on Fri, 13 April 2012 09:18
		Re: session question By: Denis McMahon on Fri, 13 April 2012 13:27
		Re: session question By: William Gill on Fri, 13 April 2012 17:51
		Re: session question By: Jerry Stuckle on Fri, 13 April 2012 19:54
		Re: session question By: William Gill on Fri, 20 April 2012 06:40
		Re: session question By: M. Strobel on Fri, 20 April 2012 08:55
		Re: session question By: Erwin Moller on Fri, 20 April 2012 09:25
		Re: session question By: Jerry Stuckle on Fri, 20 April 2012 12:11
		Re: session question By: William Gill on Fri, 20 April 2012 14:59
		Re: session question By: William Gill on Fri, 20 April 2012 15:32
		Re: session question By: Michael Fesser on Fri, 20 April 2012 15:50
		Re: session question By: William Gill on Fri, 20 April 2012 16:04
		Re: session question By: Tim Streater on Fri, 20 April 2012 17:17
		Re: session question By: M. Strobel on Fri, 20 April 2012 18:08
		Re: session question By: Tim Streater on Fri, 20 April 2012 19:36
		Re: session question By: William Gill on Sat, 21 April 2012 22:13
		Re: session question By: Jerry Stuckle on Fri, 20 April 2012 18:22
		Re: session question By: William Gill on Fri, 20 April 2012 19:04
		Re: session question By: The Natural Philosoph on Fri, 20 April 2012 21:09
		Re: session question By: Michael Fesser on Fri, 20 April 2012 19:13
		Re: session question By: Jerry Stuckle on Fri, 20 April 2012 19:45
		Re: session question By: Tim Streater on Fri, 20 April 2012 22:11
		Re: session question By: The Natural Philosoph on Fri, 20 April 2012 22:23
		Re: session question By: Tim Streater on Sat, 21 April 2012 12:14
		Re: session question By: Jerry Stuckle on Fri, 20 April 2012 22:45
		Re: session question By: Michael Fesser on Fri, 20 April 2012 23:24
		Re: session question By: The Natural Philosoph on Sat, 21 April 2012 00:28

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