protected function _isInteger($rawValue)
    {
        $rawValues = explode(',', $rawValue);

        foreach ($rawValues as $value) {
            if (!is_numeric($value)) {
                return false;
            }
        }

        return true;
    }
protected function _isInteger($rawValue)
    {
        $rawValues = explode(',', $rawValue);

        foreach ($rawValues as $value) {
            if (!is_numeric($value)) {
                return false;
            }
        }

        return true;
    }
protected function _isInteger ( $ rawValue ) { $ rawValues = explode ( ',' , $ rawValue ) ; foreach ( $ rawValues as $ value ) { if ( ! is_numeric ( $ value ) ) { return false ; } } return true ; }
The schema expected for facet attributes integer values

@param string $rawValue
@return bool
The schema expected for facet attributes integer values