symphonycms / symphony-2

                array('system:modification-date', ($fields['source'] === $section_id && $fields['sort'] === 'system:modification-date'), __('System Modification Date')),

            ));

            if (is_array($section_data['fields']) && !empty($section_data['fields'])) {

                foreach ($section_data['fields'] as $input) {

                    if (!$input->isSortable()) {

                        continue;

                    }

                    $optgroup['options'][] = array(

                        $input->get('element_name'),

                        ($fields['source'] === $section_id && $input->get('element_name') === $fields['sort']),

                        $input->get('label')

                    );

                }

            }

            $options[] = $optgroup;

        }

        foreach ($field_groups as $section_id => $section_data) {

            $optgroup = array('label' => $section_data['section']->get('name'), 'data-label' => 'section-' . $section_data['section']->get('id'), 'options' => array());

            if (is_array($section_data['fields']) && !empty($section_data['fields'])) {

                foreach ($section_data['fields'] as $input) {

                    if (!$input->allowDatasourceOutputGrouping()) {

                        continue;

                    }

                    $optgroup['options'][] = array($input->get('id'), ($fields['source'] === $section_id && $fields['group'] === $input->get('id')), $input->get('label'));

                }

            }

            $options[] = $optgroup;

        }