Conditional Confirmation

// http://www.gravityhelp.com/forums/topic/making-a-result-page-based-on-conditional-logic
// change the 15 below to your form ID
add_filter('gform_confirmation_15', 'ch_build_confirmation', 10, 4);
function ch_build_confirmation ($confirmation, $form, $lead, $ajax) {
        // initialize the confirmation message
        $confirmation  = "<div id='gforms_confirmation_message' style='text-align:left; padding: 10px;'><p>Thank you for your
candid answers.  Here's what we think after reviewing your entries.</p>";

        // $lead[1] is the color choice question.  I used values of "c, m, y, k, r, g, b"
        $confirmation .= '<p>What your <strong>color choice</strong> says about you: ';
        $rgb  = array('r', 'g', 'b');
        $cmyk = array('c', 'm', 'y', 'k');
        if(in_array($lead[1], $rgb))
                $confirmation .= "you're a Photoshop person, comfortable in the digital world of RGB.</p>";
        else if(in_array($lead[1], $cmyk))
                $confirmation .= "you're a print person, happy around paper and ink.</p>";
        else
                // this will catch errors if an entered value was not accounted for in our arrays
                $confirmation .= "doesn't say much about you at all.</p>";

        // $lead[2] is the "appreciation vs accomplish" question
        $confirmation .= '<p><strong>What motivates you?</strong> ';
        if($lead[2] == 'Being appreciated')
                $confirmation .= "Being appreciated?  That's sad and pathetic.</p>";
        else if($lead[2] == 'Getting results')
                $confirmation .= "That's more like it sparky.  We're looking for results on this team.</p>";
        else
                // account for values not being entered somehow
                $confirmation .= "You're not really motivated are you? We've seen your type before.</p>";

        // $lead[3] is the "experience vs. gut" question
        $confirmation .= '<p>What do you <strong>trust</strong>? ';
        if($lead[3] == 'Actual experience')
                $confirmation .= 'Experience.  We like that.</p>';
        else if($lead[3] == 'Gut instinct')
                $confirmation .= 'Your gut?  Seriously?</p>';
        else
                $confirmation .= "You don't trust much do you?</p>";

        // close the confirmation message
        $confirmation .= "</div>";
        return $confirmation;
}