kartik\export\ExportMenu::setVisibleColumns PHP Method

    protected function setVisibleColumns()
    {
        if (!$this->_columnSelectorEnabled) {
            $this->_visibleColumns = $this->columns;
            return;
        }
        $cols = [];
        foreach ($this->columns as $key => $column) {
            if (!in_array($key, $this->noExportColumns) && in_array($key, $this->selectedColumns)) {
                $cols[] = $column;
            }
        }
        $this->_visibleColumns = $cols;
    }