View difference between Paste ID: cee0wXZ6 and qCWZfhdW

-// http://pastebin.com/kHpaHQvi originally
+<?php
 // http://www.gravityhelp.com/forums/topic/show-total-donations
 // usage: [donations form=37] where 37 is the form ID
 add_shortcode('donations', 'total_donations');
 function total_donations($atts) {
         $form_id = $atts['form'];
         // function to pull all the entries for one form
         $donations = RGFormsModel::get_leads($form_id);
         // start the total at zero
         $total = 0;
         // initialize a counter for the number of donations made
         $i = 0;
         // loop through all the returned results
         foreach ($donations as $amount) {
                 // add each donation amount to the total
-                // change 3 here to the field ID which holds the donation amount
+                // change [5] here to the field ID which holds the donation amount
-                $total += $amount[3];
+                // the preg_replace will strip anything that is not a number or decimal
                 $numeric_amount =  preg_replace('/[^0-9\.]/Uis', '', $amount[5]);
                 $total += $numeric_amount;
                 // increment the counter so we know how many donations there are as well
                 $i++;
         }
         // change this to your locale, or, if your locale is already defined, you can remove this line
         setlocale(LC_MONETARY, 'en_GB');
         // do some formatting and return the html output from the shortcode
         $output = "We have raised " . money_format('%i', $total) . " from $i donors.";
         // just the string above will be returned.  You can style it here or where you are using the shortcode
         return $output;
 }
 // needed for the above to process the donation shortcode in sidebar widget
 add_filter('widget_text', 'do_shortcode');