protected function makeParametersDDL($separator = " ")
    {
        $params = [];

        foreach ($this->parameters as $parameter) {
            $params[] = $parameter->getDDL();
        }

        return implode(',' . $separator, $params);
    }
protected function makeParametersDDL($separator = " ")
    {
        $params = [];

        foreach ($this->parameters as $parameter) {
            $params[] = $parameter->getDDL();
        }

        return implode(',' . $separator, $params);
    }
protected function makeParametersDDL ( $ separator = " " ) { $ params = [ ] ; foreach ( $ this -> parameters as $ parameter ) { $ params [ ] = $ parameter -> getDDL ( ) ; } return implode ( ',' . $ separator , $ params ) ; }
Make the portion of DDL for describing the parameters.
@param string $separator String to apply between parameters.
@return string Parameters DDL.
Make the portion of DDL for describing the parameters .