gistfile1.php

<?php
elseif ($image_link) {
    if (isset($entity->$image_link)) {
      // Support for field translations.
      $language = field_language($entity_type, $entity, $field['field_name']);
      $link_field = $entity->$image_link;

      if (isset($link_field[$language])) {
        $link_values = $link_field[$language];
      }
    }
  }


// are these the same?
    // Handle multiple link with image values.
    if (!empty($link_values)) {
      if (isset($link_values[$delta]['url'])) {
        $uri = array(
          'path' => $link_values[$delta]['url'],
          'options' => array('attributes' => $link_values[$delta]['attributes']),
        );
        // Handle query if there is any.
        if (!empty($link_values[$delta]['query'])) {
          $uri['options']['query'] = $link_values[$delta]['query'];
        }
        // Handle fragment if there is any.
        if (!empty($link_values[$delta]['fragment'])) {
          $uri['options']['fragment'] = $link_values[$delta]['fragment'];
        }
      }
      // If there are more image values than link values unset the link.
      else {
        unset($uri);
      }
    }

?>