NYCPHP Meetup

[David Sklar]

Check out the exportValue() and exportValues() functions that are 
(barely) documented here:

http://pear.php.net/manual/en/package.html.html-quickform-controller.php

They let you get one or more values belonging to a particular page (or 
all pages in your wizard).

David

Jayesh Sheth wrote:
> Hello all,
> 
> I have been quiet for the last month (or two) because I have busy with 
> various things.
> 
> I have a question now, and I hope someone on the list will be able to help.
> 
> I have been using (the PEAR library) QuickForm ( 
> http://pear.php.net/package-search.php?pkg_name=quickform&bool=AND&submit=Search 
> )  in conjunction with the HTML_QuickForm_Controller 
> (http://pear.php.net/manual/en/package.html.html-quickform-controller.php 
> ) add-on package.
> 
> I am using the QuickForm Controller package to build a multi-page form, 
> otherwise known as a "wizard". There will be 3 - 5 pages. If all the 
> info on the first page validates, the user is taken to the second page. 
> If not, then the errors are highlighted. Since the whole form has a lot 
> (100+) fields, the multi-page format is necessary.
> 
> Within this multi-page format, I wanted to do something like the following:
> 
> 1) On the first page, the user is asked "How many books do you have?"
> 2) If the user chose 5 books on the first page, then 5 sets of fields 
> will be shown on the second page, each with fields such as title, 
> author, isbn, etc.
> 3) For this example, we will assume that the person cannot have more 
> than 10 books
> 
> The QuickForm Controller package uses session variables to hold data 
> from each page of the wizard. The thing is, I cannot how to access a 
> piece of information (session variable) from another page. I.e.,on page 
> 2, I want to be able to say "if 2 books were specified on page 1, then 
> use a loop to add  xyz form fields for each book."
> 
> If I were using session variables directly myself, I would know how to 
> do it immediately. But while the QuickForm and the QuickForm add-on 
> package are both very powerful, they are also very complex.
> 
> The reason I am using them is that creating a complex multi-page form 
> (with so many form fields and umpteen validation rules) would quickly 
> turn into spaghetti code without such libraries.
> 
> So, anyone have experience with this or a useful link?
> 
> Thanks in advance!
> 
> - Jay
> PS: David Sklar's PHP Tools book has information on the main QuickForm 
> library, but not on the Controller add-on. It seems that online 
> information for the controller is quite scant.
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