src/View/Helper/ListFilterHelper.php
public function renderFilterbox($filters = null)
    {
        if ($filters) {
            $this->_filters = $filters;
        }

        $filterBox = $this->openContainer();
        $filterBox .= $this->openForm();
        $filterBox .= $this->renderAll();
        $filterBox .= $this->closeForm();
        $filterBox .= $this->closeContainer();

        $ret = $this->_View->element('ListFilter.wrapper', [
            'filterBox' => $filterBox,
            'options' => $this->config()
        ]);

        return $ret;
    }
public function renderFilterbox($filters = null)
    {
        if ($filters) {
            $this->_filters = $filters;
        }

        $filterBox = $this->openContainer();
        $filterBox .= $this->openForm();
        $filterBox .= $this->renderAll();
        $filterBox .= $this->closeForm();
        $filterBox .= $this->closeContainer();

        $ret = $this->_View->element('ListFilter.wrapper', [
            'filterBox' => $filterBox,
            'options' => $this->config()
        ]);

        return $ret;
    }
Render the complete filter widget

@param array $filters Filters to render. If none given, it uses a viewVar called "filters"
@return string