foreach ($params as $button) {
$attrs = array('class' => 'crm-form-submit') + (array) CRM_Utils_Array::value('js', $button);
+ if (!empty($button['class'])) {
+ $attrs['class'] .= ' ' . $button['class'];
+ }
+
if (!empty($button['isDefault'])) {
$attrs['class'] .= ' default';
}