'button', 'class' => '', ); $vars = array_merge($defaults, $vars); $vars['class'] = trim("elgg-button {$vars['class']}"); switch ($vars['type']) { case 'button': case 'reset': case 'submit': case 'image': break; default: $vars['type'] = 'button'; break; } // blank src if trying to access an offsite image. @todo why? if (strpos($vars['src'], elgg_get_site_url()) === false) { $vars['src'] = ""; } ?> />