Gravity Forms - Tally Common Questions in Merge Tag

functions.php

<?php
add_filter( 'gform_replace_merge_tags', array(&$this, "replace_tally_results"), 10, 7 );
function replace_tally_results( $text, $form, $entry, $url_encode, $esc_html, $nl2br, $format ) {
   $custom_merge_tag = '{tally_results}';
   if ( strpos( $text, $custom_merge_tag ) === false ) {
      return $text;
   }
   $score = array();

   foreach($form['fields'] as $field) {
      if( $field['type'] == "radio") {
         if( isset( $score[ $entry[ $field['id'] ] ] ) )  {
            $score[ $entry[ $field['id'] ] ] = $score[ $entry[ $field['id'] ] ] + 1;
         } else {
            $score[ $entry[ $field['id'] ] ] = 1;
	}
      }
   }

   $result = "";

   foreach($score as $key => $value) {
      $result .= $value . "&nbsp;&nbsp;&nbsp;&nbsp;" . $key ."<br/>";
   }

   $text = str_replace( $custom_merge_tag, $result, $text );
   return $text;
}