$imageurl = moodle_url::make_pluginfile_url($context->id, 'badges', 'badgeimage', $badge->id, '/', $fsize, false);
// Appending a random parameter to image link to forse browser reload the image.
- $attributes = array('src' => $imageurl . '?' . rand(1, 10000), 'alt' => s($badge->name), 'class' => 'activatebadge');
+ $imageurl->param('refresh', rand(1, 10000));
+ $attributes = array('src' => $imageurl, 'alt' => s($badge->name), 'class' => 'activatebadge');
return html_writer::empty_tag('img', $attributes);
}