id() == 'farm_log') { // Only alter the page_type and page_asset displays. if (!in_array($display_id, ['page_type', 'page_asset'])) { return; } // Bail if not a view of input logs. if (!in_array('input', $args)) { return; } // Add a filter for the quantity material type. $table = 'log_field_data'; $field = 'quantity_material_type'; $filter_options = [ 'id' => 'material_type_target_id', 'table' => $table, 'field' => $field, 'exposed' => TRUE, 'expose' => [ 'label' => t('Material type'), 'identifier' => $field, 'multiple' => TRUE, ], 'type' => 'select', 'limit' => TRUE, ]; $view->addHandler($display_id, 'filter', $table, $field, $filter_options); } }