Question

I have several stages to an application process consisting of multiple forms on different pages.

I have created a session to handle the data.

My question is, without explicitly stipulating every form field form can i add the form post to an individual part of the session array one by one.

So that when im at the end i can just loop through and print?

Answer 1

Sure, you could do something like this:

foreach($_POST as $key => $value)
    $_SESSION['form'][$key] = $value;

This will save all the POST data into the $_SESSION['form'] array. Note that it saves all the data, a malicious user can just add values to this.

On the last page you can echo the fields like this (don’t forget to escape the values, that’s what htmlspecialchars() is for).

foreach($_SESSION['form'] as $key => $value)
    echo htmlspecialchars($key) . ": " . htmlspecialchars($value) . "<br />\n";

Edit: The array_merge() approach is acutaly more elegant than this one, so just forget about the first piece of code.