AdminPageFramework_FieldType_checkbox::_getSelectButtonClassSelectors PHP Method

    private function _getSelectButtonClassSelectors(array $aFieldTypeSlugs, $sDataAttribute = 'select_all_button')
    {
        $_aClassSelectors = array();
        foreach ($aFieldTypeSlugs as $_sSlug) {
            if (!is_scalar($_sSlug)) {
                continue;
            }
            $_aClassSelectors[] = '.admin-page-framework-checkbox-container-' . $_sSlug . "[data-{$sDataAttribute}]";
        }
        return implode(',', $_aClassSelectors);
    }