Infusion soft passing contact info

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We are embedding an infusion soft form into our page using unstyled html code (from infusion softs form builder).


After the first form is filled we are sending them to another page with a second form asking for more information.


We have enabled 'pass contact's info' (inside infusion) on the first form and then included
code below on the second form to pull through information from the first form.
<input class="infusion-field-input-container" id="inf_field_FirstName" name="inf_field_FirstName" type="text"
value="<?php echo $_GET["Contact0FirstName"]; echo $_GET['FirstName']; echo $_GET["inf_field_FirstName"]; ?>"  />



The Problem - because this is PHP when we add it to a content or HTML block
It does not work. We have tried using the simple php block, But no joy.http://www.concrete5.org/marketplace/addons/simple-php-block/...



Does any one know how we can pass infusion soft data from one form to another inside of concrete5, without using iframes to import a an external php file.

Matteld80