void HTML_QuickForm_Renderer_Tableless::setOpenHiddenFieldsetTemplate (string $html)
void HTML_QuickForm_Renderer_Tableless::setOpenHiddenFieldsetTemplate
Sets the template used when opening a hidden fieldset (i.e. a fieldset that is opened when there is no header element).
The HTML used when opening a hidden fieldset
throws no exceptions thrown
This function can not be called statically.